Black Lives Matter protestors are giving America's mayors an earful.

Demonstrators protesting the killing of a Chicago teenager by police and the contaminated water crisis in Flint, Michigan disrupted the U.S. Conference of Mayors meeting in Washington, DC today.

Several people held up signs and one shouted "You failed us!" as Baltimore Mayor Stephanie Rawlings-Blake took the stage for her opening remarks as the group's president.

Baltimore was rocked by riots last spring over Freddie Gray's death while in police custody.

The protest at the mayor's meeting lasted about a half hour with no arrests reported.  (Metro Networks Inc.)

More From WBSM-AM/AM 1420