Factbox: Trump impeachment - what happens next?

The House will vote to formally transmit the charges against Trump to the Senate, according to House Speaker Nancy Pelosi.Democratic lawmakers, who represent the House majority, voted along party lines on Dec. 18 to impeach Trump over his dealings with Ukraine.The resolution would also appoint a number of House Democrats as "managers," who would prosecute Trump in the Senate on charges that he abused his power by pressuring Ukraine to investigate former Vice President Joe Biden, a leading Democr