Two injured, one killed in downtown Washington shooting

An armed man shot three people, killing one, in downtown Washington D.C. Wednesday in a morning rampage that started on a city bus and ended in a Metro tunnel after ordinary civilians attacked and disarmed him.

The shooter is in police custody and has not been publicly identified.Police praised the actions of the citizens in disarming and detaining the shooter.The violence began shortly after 9 a.m. Wednesday morning when the man, began brandishing a weapon and confronting passengers on a city bus, according to investigators.