Attorney General Rob Bonta confirmed the fatality in an update.

The local sheriff characterized it as a particularly callous and brutal crime: People went to a child's birthday party Saturday night and opened fire, killing victims ages 8, 9, 14 and 21. Subscribe to read this story ad-free Get unlimited access to ad ...

A man who was holding hostages inside a California office building for about 12 hours was shot and killed by the FBI early Wednesday, police said. The hostages were found unharmed inside the downtown Bakersfield building that houses a bank and a school district office, the Bakersfield Police Department said in a statement.

After a fatal shooting near Universal Studios Hollywood, the gunman fled the scene in an unknown direction, the Los Angeles Police Department said.