Police in the California city of Stockton have said that four people were killed Saturday evening and another 10 injured during a shooting at a family gathering.

What do we know so far? 

The shooting occurred at a children's birthday party according to Stockton Vice Mayor Jason Lee, who said that he was in contact with authorities and would be "pushing for answers."

Police say dispatchers received reports of a shooting in Stockton, which is located about an hour and a half east of San Francisco, around 6:00 p.m. local time (0200 GMT).

Authorities say they have little information at the moment and have released no details about the shooter.

On Saturday, the San Joaquin County Sheriff's Office posted to X: "We can confirm at this time that approximately 14 individuals were struck by gunfire, and four victims have been confirmed deceased."

Investigation underway

"This is a very active and ongoing investigation," the statement continued, "and information remains limited. Early indications suggest this may be a targeted incident, and investigators are exploring all possibilities."

More than 360 people have been killed and more than 1,600 injured in 379 mass shootings in the US so far this year according to the online Gun Violence Archive.

Edited by: Wesley Dockery