Nancy Pelosi has said Donald Trump gave Democrats 'no choice' but to impeach him. Opening the debate on the impeachment of the US president in the House of Representatives, the House Speaker said if politicians did not act now, they would be 'derelict in their duty'. The debate will be followed by a vote on two articles of impeachment against Trump which, if approved, will send the matter to the Republican-led Senate to hold a trial on whether to remove him from office. The Senate is unlikely to vote to convict the president