“The president’s threat to America is urgent, and so too will be our action.”
Thousands of supporters of Mr Trump stormed the Capitol last week, forcing lawmakers who were certifying Democratic President-elect Joe Biden’s election victory into hiding in a harrowing assault which left five dead.
The violence came after Mr Trump urged supporters to march on the Capitol at a rally.
The President repeated false claims, saying his resounding defeat in the November 3 election was illegitimate.
House Speaker Nancy Pelosi, many of her fellow Democrats and a handful of Republicans say the Republican president should not be trusted to serve out his term, which ends on January 20.