May 5, 2016 11:20 pm Metro Crews Make Repairs After Fires at Federal Center Crews began replacing old third rail insulators Thursday night, one of which caused an explosion on the tracks. News4’s Jackie Bensen reports. Local 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 0:43 American University locked down before man arrested on campus 3:08 Family holds memorial for brothers, 3 and 6, who died after Clifton house fire 2:05 ‘People immediately hit the ground': 6 hurt in shooting outside DC nightclub 2:20 Driver accused of deadly hit and run of skateboarder held without bail