he's single-handedly justifying the genocide of my people. >> reporter: they are engaging with progressives who are calling for a cease-fire. but i spoke with a biden staffer and there are several participating in this cease-fire effort and she told me she doesn't feel like the administration is listening right now and more political pressure like this rally is needed. we know as well that there was at least one incident connected to the protest with u.s. park police arresting two people for disorderly conduct and assaulting a police officer. >> gabe, thank you. police in london say about 300,000 people marched for a free palestinian. [ crowd chanting ] >> from the financial district to the houses of parliament saturday, demonstrators repeated a view that israel's response to hamas needs to be reined in. >> i'm here because genocide is