Six people have been killed in linked shootings in the city of Bakersfield in California, police say.
A man and his wife drove to a trucking business in the city, where the man shot dead two men and his wife.
The man then drove to another residence where he shot dead two more people.
After hijacking a vehicle with a woman and child in it, the man was then confronted by a deputy and shot himself dead. Police are still investigating the motives behind the killings.