WASHINGTON (AP) — Senators are poised to vote on whether Donald Trump will be held accountable for inciting the horrific attack at the Capitol.

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The Senate is convening for a rare Saturday session for final arguments in his impeachment trial.

It has been barely a month since the deadly Jan. 6 riot.

The speedy trial laid bare the violence and danger to lawmakers as well as the fragility of the nation’s tradition of a peaceful transfer of presidential power.

He faces a charge of incitement of insurrection.

In hours of arguments, the Trump legal team characterized the impeachment case as a politically motivated “witch hunt.” Prosecutors argued he was the "inciter in chief."

PHOTOS: Scene at U.S. Capitol shows chaos and violence