The Department of Homeland Security issued a national terrorism bulletin Wednesday warning of the lingering potential for violence from people motivated by antigovernment sentiment after President Joe Biden’s election, suggesting the Jan. 6 riot at the Capitol may embolden extremists and set the stage for additional attacks.

Democrats’ momentum for a fresh drive to quickly impeach outgoing President Donald Trump gained support Saturday, and a top Republican said the president’s role in the deadly riot at the Capitol by a violent mob of Trump supporters was worthy of rebuke.