US House Speaker Nancy Pelosi, has stepped up the pressure on Vice-President Mike Pence to act to remove Donald Trump from office over his role in last week's storming of Congress. Lawmakers are expected to bring up a resolution asking Mr Pence to invoke the 25th Amendment to declare the president unfit for office. In a letter to her Democratic colleagues on Sunday night, Speaker Pelosi (D-California) urged them to adopt Maryland Democratic Rep. Jamie Raskin’s 25th Amendment resolution by unanimous consent. The move is poised to be blocked by Trump’s...