AdvertisementExplosive Protests: U.S. Bombings During 'Days Of Rage'April 05, 2015NPR StafffacebookEmailNew York City firefighters work to put out a fire caused by explosions at 18 W. 11th St. on March 6, 1970. It was later discovered that the Weathermen, a radical left-wing organization, had been building bombs in the building's basement. (AP)
