from rioters incited by president trump. "world news tonight" with david muir is right now. tonight, the horror and chaos and the sadness over what has played out in our nation's capitol. images not seen in modern american history. a mob storming capitol hill. the capitol building under siege. trump supporters, fueled by the president's own words this morning, smashing through the doors of the u.s. capitol. thousands breaching barricades, overwhelming police. all of this as a joint session of congress but trying to certify president-elect joe biden's victory. amid growing pressure from president trump on vice president mike pence. what pence could be heard saying before being whisked away by the secret service. pence then issuing this statement. "the violence and destruction taking place at the u.s. capitol must stop and it must stop now." the mob pounding on doors, smashing windows. the armed standoff inside the building. police there with guns drawn,