NYT: Two New York police officers killed, gunman dead

Protests spread across US, more troops deployed to prevent fresh Ferguson riots

Police searches perpetrator of Manokwari Shootout

Police: Shooter of Amien Rais' car probably uses homemade riffle

Police urged to probe shooting at the house of a 'reform icon'

Police seek motive in fatal Washington state school shooting

Hundreds of Harvard students receive email shooting threats

Two killed in Southwest Belgium shooting

UN mission in South Sudan concerned about shooting in Juba

Police question six witnesses in shooting case

Papua Governor: I think it is a criminal activity

Rights body studying shooting of suspected terrorists

Shooting at Reno medical center leaves two dead, two wounded

Officials: Navy Yard shooter had three weapons

Sandy Hook students resume classes for first time since school shooting