The Latest: Trump: Obama is US's 'most ignorant president'

The Latest on the Democratic National Convention (all times EDT):

11:52 a.m.

Donald Trump says that President Barack Obama has been "the most ignorant president in our history" and "a disaster."

Trump is lashing out at the president at a press conference in Florida.

Obama has cast Trump as dangerous and unprepared to lead the country. The president said in an interview that aired Wednesday that Trump lacks "basic knowledge about the world" and has shown no interest in learning more about it.

Trump, in turn, says the president has been a "disaster" who came into office knowing nothing and knows less today.

He says Obama, "will go down as one of the worst presidents in history."

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11:40 a.m.

Donald Trump says his son will not run for mayor of New York City next year.

Trump, the GOP nominee for president, said Wednesday that his son Donald Trump Jr. "likes to win" and suggested that it would be difficult for any Republican to be elected in the heavily Democratic city.

Trump Jr. has been floated as a possible challenger to Democratic Mayor Bill de Blasio in 2017 since his well-received speech in support of his father at the Republican National Convention last week in Cleveland.

Anthony Weiner, the former congressman who has twice run unsuccessfully for mayor, said this week that he would come out of political retirement to beat Trump Jr "like a rented mule" if he ran.

Donald Trump responded that Weiner, who resigned his seat after a sexting scandal, is a "pervert."

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11:37 a.m.

Donald Trump says that he has been approached by Russian developers to build properties in Russia, but he turned them down.

Speaking to reporters in Miami, Trump said he was approached by Russian developers "who wanted us to put a lot of money" when he held the Miss Universe beauty pageant in Russia a few years ago.

He wouldn't elaborate on his decision not to partner with them, saying only that he decided against it.

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11:17 a.m.

Donald Trump is saying his campaign will soon publish a list of countries from which immigrants will need to undergo "extreme vetting" before entering the United States.

Trump, speaking Wednesday at a press conference in Florida, said, "We have people coming in this country with very evil intentions." He added that, "we cannot let those people come in."

Trump has been hard to pin down on his immigration plan, which he initially framed as a temporary ban on Muslims from entering the United States.

He has now said that people from any country that has been compromised by terrorism would be subject to tougher screening measures. He has not identified the countries but has said it could include traditional U.S. allies, such as France.

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11:12 a.m.

President Barack Obama says he feels great about the speech he's delivering for Hillary Clinton at the Democratic National Convention.

Asked about Wednesday night's speech, Obama at first joked: "What's happening tonight?"

Hearing no laughter from the group of White House reporters and photographers gathered in the Rose Garden, Obama clarified by saying "That was a joke. You look so serious."

Before entering the West Wing, he said: "I feel great."

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11:11 a.m.

Donald Trump has a message for Russia: Find Hillary Clinton's emails.

In a press conference Wednesday, Trump said that the 30,000 missing emails from Clinton's private email server would reveal "some beauties."

He then issued a plea: "Russia, if you're listening, I hope you're able to find the 30,000 emails that are missing."

Clinton's campaign has said that Russia hacked computers belonging to the Democratic National Convention and released those emails on the eve of the party's convention to benefit Trump's candidacy. Trump dismissed the claims saying it's not clear who hacked those emails, but the hacking is a sign that foreign countries no longer respect the U.S.

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11:10 a.m.

Republican Donald Trump says that he'd like to see the federal minimum wage raised to at least $10 — though he maintains he'd like to see the issue decided by the states.

Trump broke with many in his party with the call, delivered at a press conference in Florida Wednesday morning.

He gave a contradictory answer in an interview with Fox News Channel Tuesday, saying he "would leave it and raise it somewhat."

"You need to help people and I know it's not very Republican to say but you need to help people," he said.

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11:06 a.m.

Donald Trump is dismissing claims made by Democrats that Russia hacked the Democratic National Committee emails to benefit Trump's campaign.

Responding to questions over whether Russia's President Vladimir Putin might favor a Trump presidency, Trump told reporters he "never met Putin, I don't know who Putin is."

The Republican presidential nominee said the incident with the hacked emails demonstrates that Putin and other world leaders no longer respect the United States.

He said he's never spoken to Putin and knows nothing about him "except that he'll respect me."

He said that it may not even be Russia behind the email breach and suggested China may be the culprit.

The emails revealed that DNC officials favored Hillary Clinton over her rival Bernie Sanders. The revelation that led to the resignation of the DNC chief, Debbie Wasserman Schultz.

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11:01 a.m.

Donald Trump says he knows "nothing about" the hack of Democratic National Committee emails that security experts believe may have originated in Russia.

Trump said Democrats are using the hack as a "total deflection" and are off-base in suggesting that the Republican nominee's campaign had anything to do with the security breach.

Trump, speaking Wednesday in a news conference in Florida, said he's more interested in the content of the emails revealed by the hack. Some revealed that DNC officials favored Hillary Clinton over her rival for the Democratic presidential nomination, Bernie Sanders.

The celebrity businessman denied that he had any major investments in Russia and said that he would treat Russian President Vladimir Putin "firmly." Trump, who has praised Putin in the past, reiterated his hope that the U.S. and Russia could have warmer relations.

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10:54 a.m.

Republican Donald Trump is kicking off a press conference at one of his golf clubs by criticizing rival Hillary Clinton's reluctance to take questions from the press.

He says that Clinton is afraid to take questions.

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10:53 a.m.

Family members of victims in the Orlando nightclub shooting will appear at the Democratic National Convention Wednesday

Aides to Democratic presidential nominee Hillary Clinton said the families will be part of an effort to talk about public safety. Also appearing will be former Arizona Congresswoman Gabby Giffords, who was critically wounded in a mass shooting.

A gunman killed 49 people and injured dozens more at the Orlando nightclub last month.

On Tuesday night Democrats heard from a group of mothers who lost their children to gun violence or through contact with police.

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10:40 a.m.

A top aide to Hillary Clinton says she is "alarmed" by the possibility that the Russian government was involved with the theft of emails from the Democratic National Committee.

Top campaign policy aide Jake Sullivan says Clinton " does not view this as a political issue, she views this as a national security issue."

On Tuesday, President Barack Obama suggested that Russian President Vladimir Putin may have reason to facilitate the attack, breaking with tradition to comment on a FBI active investigation.

Clinton, who has spent the last few days at her New York home, was briefed on the attack, says Sullivan. She has not commented on the incident but top campaign officials have previously suggested the goal was to benefit GOP rival Donald Trump's campaign.

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10:31 a.m.

Donald Trump is calling out Vice President Joe Biden for misstating the GOP candidate's rhetoric on bombing the Islamic State group.

Speaking to MSNBC, Biden criticized Trump for wanting to "carpet bomb" the extremist group, possibly killing civilians in the process.

Trump Tweeted: "Our not very bright vice president, Joe Biden, just stated that I wanted to 'carpet bomb' the enemy. Sorry Joe, that was Ted Cruz!"

It was Cruz who said during the GOP presidential debates that he would "carpet bomb" Islamic State group fighters.

Trump has said in radio ads that he would "bomb the hell out of" the group. And during a speech last year, Trump said of oil supplies that are controlled by the group: "I would bomb the s-- out of them." He added: "I'd blow up every single inch, there would be nothing left."

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10:16 a.m.

Aides to House Minority Leader Nancy Pelosi say she has raised more than $93 million for Democratic candidates trying to whittle down her chamber's Republican majority in this November's elections.

The aides said in a statement Wednesday that the sum includes $37 million she raised for House Democrats from April through June this year. Nearly $33 million of that amount was for the Democratic Congressional Campaign Committee, the House Democrats' fund-raising arm.

Both parties' leaders are usually top money raisers for House candidates. Overall, hundreds of millions of dollars will be spent by the parties, candidates and outside groups on House races.

Republicans hold a 247-188 House majority, including two vacant seats highly likely to remain Democratic.

Democrats would need to gain an unlikely 30 seats to win control.

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9:27 a.m.

Bernie Sanders is thanking New England delegates, telling them that "as of yesterday, I guess, officially our campaign ended."

Sanders spoke to delegates from his home state of Vermont, along with those from New Hampshire, Maine and Rhode Island the morning after he urged the Democratic National Convention to nominate Hillary Clinton for president.

He says he is trying to shift his movement to encourage people to run for office and fight for the issues he pushed for during his campaign.

Sanders adds he spoke to President Barack Obama on Tuesday night, saying, "he was kind enough to call."

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9:22 a.m.

Vice President Joe Biden says the Democratic Party needs to do a better job connecting with white working class voters.

Biden tells MSNBC's "Morning Joe" that the party has done "the right thing" for those voters, but "hasn't spoken enough" to them.

One reason for the disconnect he suggested is that, "We've been consumed with crisis after crisis after crisis."

He said the Obama administration has had the right policies in place to help these voters, but needs to do a better job of telling them.

Polls have shown Democratic presidential hopeful Hillary Clinton struggling to capture support from white male voters, while that group is attracted to Republican Donald Trump's anti-establishment message.

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9:15 a.m.

Virginia Sen. Tim Kaine is urging men to "stand and support strong women leaders" in the presidential election.

Kaine says the United States has lagged other countries in electing women political leaders. But the Democratic vice presidential nominee says the country has "an opportunity to do something magnificent" in electing Hillary Clinton as the first woman president.

Kaine is speaking at a breakfast with delegates from his home state, one of the country's most important general election battlegrounds. He's set to address the Democratic convention Wednesday night.

Kaine cast the contest between Clinton and Republican Donald Trump as a choice between building a "community of respect" or embracing "the politics of division."

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7:58 a.m.

President Barack Obama says Republican Donald Trump "is somebody who likes attention and maybe surprised himself that he got this far."

Obama tells NBC's "Today Show" that Trump "doesn't seem to have any plans or policies or proposals or specific solutions."

The president made the comments in a taped interview aired Wednesday.

Asked about Trump's remarks that he alone could fix the country's problems, Obama said: "That's not how our founders designed our system. We're not a government where some strong man orders people around and banishes enemies."