Former US vice-president Mike Pence has offered his most forceful repudiation of Donald Trump to date during a speech launching his 2024 campaign. The Republican accused Mr Trump of being unfaithful to the US constitution and of abandoning conservative values.

Former Vice President Mike Pence, at a campaign event in Iowa, formally declares his candidacy for the White House, joining his former running mate Donald Trump in GOP nomination race

Mike Pence will kick off his presidential campaign on Wednesday from Iowa, an early-voting state Trump won in 2016 and 2020

Former New Jersey Gov. Chris Christie said Trump made the country "smaller by dividing us even further and pitting one group against another."

The former vice president kicked off his White House bid with a video and speech in which he positioned himself as the right leader for troubled times.

Mike Pence opened his presidential bid with an unusually forceful critique of former President Donald Trump over Jan. 6, his temperament and abortion.

Donald Trump's two-time running mate offers his most forceful repudiation of his ex-boss to date.