Democrats are set to formally unveil two articles of impeachment against Donald Trump on Tuesday.

The US president is expected to face one charge of abuse of power, and another of obstructing Congress. A decision to announce the articles came after a hearing in the House Judiciary Committee on Monday in which the case against Mr Trump was laid out.

The Democrat-led committee is expected to vote on the articles later this week. That would set up a full vote in the Democrat-led House of Representatives as soon as next week. In turn, that would lead to Mr Trump facing a trial in the Senate.

On Monday night Nancy Pelosi, the Democrat House Speaker, gathered senior Democrats in her office in Congress. Leaving the meeting Eliot Engel, the Democratic chairman of the House Foreign Affairs Committee, said the articles would be announced at 9am on Tuesday.

He added: "This is not a happy day. I don't get any glee at this. But I think we're doing what we have to do. We're doing what the Constitution mandates that we do. I think there is a lot of agreement."