NEW You can now listen to Fox News articles!

A California Democrat is facing backlash after hosting a Hamas-associated group at his office on Capitol Hill last week.

Rep. Derek Tran welcomed a group of leaders from the Council on American-Islamic Relations (CAIR) as part of the "National Muslim Advocacy Day," an annual lobbying event organized by Muslim advocacy groups.

CAIR, the nation’s largest Muslim civil rights organization, was recently designated as a terrorist organization by the state of Texas and Florida following accusations that the group supported funding for Hamas.…