Organizers and supporters of the Black Lives Matter movement have condemned the slaying of police officers in Dallas during a protest against the fatal police shootings of black men in Louisiana and Minnesota. 

Experts say it's extremely rare and possibly a "first" for a police department to use a bomb robot with an explosive device to kill a suspect who poses a threat.

Gunmen shot and killed five police officers and wounded seven others during a protest over fatal police shootings of black men in other states, authorities said

Five officers were killed. Seven other officers and two civilians were wounded.

Multiple media outlets report shots have been fired at a Dallas protest over two recent fatal police shootings.