TRACY (CBS SF) — A shooting in Tracy early Thursday morning left two people dead and two injured, including the suspected shooter with apparent self-inflicted gunshot wounds.

After multiple 911 calls shortly after 2:45 a.m., officers arrived at the 2900 block of North MacArthur Drive and found four people with apparent gunshot wounds.

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Two succumbed their injuries while the other two were transported to hospitals. Police believe one of the people transported to the hospital is the suspect, who is in critical condition. The last victim in the shooting was treated for their injuries and released from the hospital.

Police said the alleged shooter is known to the victims and investigators don’t believe there are any other outstanding suspects in the case.

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