Update (1223ET): More details are trickling in from the Paul Pelosi's assault.

CNN reports that the assailant was looking for the Speaker, and allegedly shouted "Where is Nancy? Where is Nancy?"

AP also reports that Pelosi suffered blunt force injuries to his head and body, and that the yet-to-be-identified assailant used a hammer, according to law enforcement sources.

Meanwhile, Capitol Police have obtained video of the attack according to CNN, and may ramp up protection for lawmakers' families.