Vice President Micheal Pence poses for his official portrait at The White House, in Washington, D.C., on Tuesday, October 24, 2017. (Official White House Photo by D. Myles Cullen)

Former Vice President Mike Pence is filing paperwork on Monday declaring his campaign for president in 2024, setting up a challenge to his former boss, Donald Trump, just two years after their time in the White House ended with an insurrection at the U.S. Capitol and Pence fleeing for his life.

Pence, the nation’s 48th vice president, will formally launch his bid for the Republican nomination with a video and kickoff event in Des Moines, Iowa, on Wednesday, which is his 64th birthday, according to people familiar with his plans. He was set to file papers making his candidacy official with the Federal Election Commission.

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