Former Vice President Mike Pence is expected to enter the race for the GOP presidential nomination on June 7 with a campaign video and launch speech. Chris Christie, former governor of New Jersey, will also launch his campaign next week, at an event in Manchester (New Hampshire), a source confirmed to NBC News.

They will announce their campaign to contest the nomination as a candidate in 2024 to former President Donald Trump and Florida Governor Ron DeSantis, among others. The former vice president will campaign in all 99 Iowa counties before the caucuses, the person said.