Donald Trump selects Mike Pence as VP

Donald Trump said Friday Indiana Gov. Mike Pence is his choice to be his running mate.

"I am pleased to announce that I have chosen Governor Mike Pence as my Vice Presidential running mate. News conference tomorrow at 11:00 A.M.," the presumptive Republican nominee tweeted.

CNN reported Thursday that Trump had called Pence and offered him the vice presidential slot on his ticket. Pence has accepted.

The pick sets up a stark clash in styles: a brash presumptive nominee with a tendency to freelance into controversies alongside a cautious former congressional leader who's stuck close to conservative orthodoxy since starting his career in talk radio.

Pence took to Twitter shortly after the announcement, saying, "Honored to join @realDonaldTrump and work to make America great again," and the campaign debut a new logo featuring both names.

Pence's lawyer filed paperwork with the Indiana secretary of state office officially removing him from the governor's race Friday morning.

The Saturday event is currently scheduled to take place in New York Hilton Midtown in Manhattan, the campaign announced, after earlier plans to hold the event in New Jersey.

Trump did his best to keep the drama going Thursday after a frenetic day.

Indiana Gov. Mike Pence joins Republican presidential candidate Donald Trump at a rally in Westfield, Ind.,

"I haven't made my final, final decision," he told Fox News' Greta Van Susteren Thursday evening. "I mean, I've got three people that are fantastic. I think Newt (Gingrich) is a fantastic person. I think Chris Christie is a fantastic person, been a friend of mine for 15 years. Just a fantastic person. And there's Mike, and Mike has done a great job as governor of Indiana. You look at the numbers, and it's been great -- he's done really a fantastic job. But I haven't made a final, final decision."

But speaking at a fundraiser in Los Angeles later in the evening, Trump said he had made his pick and the campaign was "ready to announce," according to an attendee. Trump, however, did not say whom he had chosen.

On Wednesday, Trump held a series of auditions with Pence and other top contenders including Christie and Gingrich. And on Thursday, despite sources indicating to CNN that Trump was strongly leaning toward Pence, others in his inner circle -- including Trump's son, Donald Jr. -- repeatedly urged caution.

But by early evening, Trump made the offer.

Trump had initially suggested he would wait until the Republican National Convention to unveil his vice presidential choice, but Indiana law forced his hand. Candidates can't run for both federal and state office after July 15, meaning Pence had to withdraw his name from his re-election race for governor.

Pence's attorney Matt Morgan filed the paperwork Friday with the Indiana Secretary of State's, formally withdrawing him from the governor race.

Pence's selection gives Trump a running mate with strong ties to the Republican base -- particularly social conservatives. He was among the first Republicans to embrace the tea party on Capitol Hill. And as governor of Indiana, he faced major political backlash over his decision to sign into law a "religious freedom" measure that infuriated major businesses that saw it as anti-LGBT.

In tapping Pence, Trump adds to the GOP ticket a politician with ties to the Koch brothers and other influential donors who have so far stayed away from Trump.

Pence is seen as a safe political option for Trump, who also considered candidates who mirror his big personality such as New Jersey Gov. Chris Christie and former House Speaker Newt Gingrich. But Pence made clear this week that he's more than willing to play the role of attack dog, strongly criticizing Hillary Clinton during a rally with Trump.

Clinton, Pence told the applauding crowd, "must never become president of the United States."