Four people were killed and 10 were wounded in a mass shooting in Stockton, California, Saturday evening, according to officials.

The San Joaquin County Sheriff’s Office said at a news conference that children and adults were shot.

Early indications “suggest this may have been a targeted incident,” a spokesperson for the sheriff’s office said.

Detectives continue to work on determining a possible motive.

The shooting happened during a family gathering inside a banquet hall.

Multiple people were taken to hospitals, although their conditions are unclear.

This is a developing story. Check back for updates. 

The Associated Press contributed to this report.