Trump 'must be held accountable' -DC mayor

"The Congress must create a nonpartisan commission to understand the catastrophic security failures that happened at the Capitol on January 6, 2021, both to hold people accountable and to ensure that it never happens again," Bowser said.

The assault by Trump supporters forced members of Congress, who were in the process of certifying President-elect Joe Biden's victory, to evacuate the chambers for several hours.