Watch: Republicans respond to Pelosi's ordered impeachment probe of President Donald Trump

House Speaker Nancy Pelosi launched a formal impeachment inquiry against President Donald Trump on Tuesday, acquiescing to mounting pressure from fellow Democrats and plunging a deeply divided nation into an election year clash between Congress and the commander in chief.

Republicans weighed in following the announcement.

MORE: 'No one is above the law': House Speaker Pelosi orders impeachment inquiry of President Trump