James O'Brien 10am - 1pm
Watch again: Trump impeachment proceedings day one
22 January 2020, 05:35
The historic impeachment trial against US President Donald Trump has begun with arguments erupting over how to proceed.
Senate Majority Leader Mitch McConnell opened the chamber promising a "fair, even-handed" process - and warned that the Senate would stay in session until his proposed rules package was adopted.
The Republican-controlled Senate rejected a Democrat bid to force the White House to produce extra documents and evidence.
Mr Trump is charged with abuse of power and obstruction of Congress, which he denies.
Watch proceedings live here...