The bodies of a man, woman and dog were found in a Simi Valley home Thursday night after police responded to a welfare check and found a bomb threat written on a wall of the residence.

Several homes were evacuated and the public was urged to stay away from a house near the 500 block of Fairfield Road as police and fire department personnel responded to a call at 6:45 p.m., Cmdr. Steve Shorts, Simi Valley Police Department public information officer, said.

Police say they found a bloody scene, including a woman’s body on the ground floor of the home and a man’s body with confirmed gunshot wounds. A dog was also found shot to death.

Read more: NBC Los Angeles