U.S. President Donald Trump delivers remarks during a meeting on education inside the Cabinet Room of the White House in Washington, U.S., December 9, 2019. REUTERS/Tom Brenner

WASHINGTON (Reuters) - Democrats in the U.S. House of Representatives will unveil articles of impeachment against Republican President Donald Trump on Tuesday, a senior Democratic aide said.

The House aide spoke on condition of anonymity and declined to give any details.