Two killed, two injured in Seattle shooting
Two people were killed and two more are critically injured when a gunman opened fire in the city of Seattle, before causing a fatal crash in a stolen car.
The gunman shot and injured a woman motorist, before walking into the street and opening fire at a bus wounding the driver.
Deputy police chief Marc Garth Green said the shooting is random and a senseless act.
The suspect was arrested but his motive was not immediately clear.