We'll be back tomorrow with more from the final days of the Trump presidency.

Here's the key developments today:

• Trump faces a single charge — “incitement of insurrection” — after the deadly Capitol riot in an impeachment resolution that the House will begin debating Wednesday, (Thursday AEST).
• The FBI warned of potential armed protests in Washington and many states by Trump loyalists ahead of President-elect Joe Biden’s inauguration January 20.
• The Washington Monument was closed to the public amid the threats of disruption.
• Acting Homeland Security Secretary Chad Wolf abruptly resigned.
• Trump and Vice President Mike Pence met late Monday for the first time since the Capitol attack, a senior administration official said.
• More lawmakers tested positive for COVID-19 after sheltering during the siege.