Aides to Rep. Eric Massa (D-NY) say the first-term pol will resign his office on Monday, Chris Cillizza of the Washington Post reports.

On Wednesday, Massa announced that he wouldn't run for re-election because of his health. Politico said he'd been accused of harassing a staffer. On Thursday, House Majority Leader Steny Hoyer (D-MD) acknowledged that he'd given Massa 48 hours of notice to alert the House ethics committee before Hoyer would do it himself.

In the event of a Congressional resignation New York's Gov. David Paterson, a Democrat, would declare the seat empty and then set a date for an election. As the Post explains, Paterson can take his time making the declaration, so the seat might stay vacant until the regular November elections. Paterson, who's been having just a world of trouble, seems to be doing his darnedest to stick around until then.

UPDATE: Massa tells the Corning, New York, Leader:

"It's not that I can fight or beat these allegations, I'm guilty."

According to the Leader, Massa says he used inappropriate language, though he doesn't know the name of the staffer who's making the allegations, when the incident happened or what the words were.

Full read: Massa to resign from office.