San Francisco police are investigating five shootings in one night of violence.

The Monday night and early Tuesday morning shootings are unrelated, and none of the victims have died, police said.

Shooting one happened at 8:13 p.m. Monday in the 800 block of Grafton Avenue in Ingleside. The suspect shot the victim, who is a 45-year-old male San Fransisco resident. Ingleside officers arrested a 58-year-old SF resident in connection with the shooting.

Shooting two happened at 10:30 p.m. Monday in the 1100 block of Bryant Street in the SoMa. Multiple gunmen shot two people in front of a recording studio.

The first victim was a 41-year-old from SF, who sustained non-life-threatening gunshot wounds. The second victim was 30-year-old from Oakland who has life-threatening gunshot wounds.

The third shooting also involved a stabbing and happened at Hyde and Fulton streets in the Tenderloin at 1:45 a.m. Tuesday.

One victim was shot and stabbed, while the second victim was stabbed by multiple suspects. SFPD says the attack was gang-related, and the victims have life-threatening injuries.

Shooting four happened at Holloway and Harold avenues, in the early hours of Tuesday morning, just before 2 a.m.

Multiple suspects fired at victims as they sat in a parked vehicle. Two victims were hit, aged 29 and 36. They have non-life-threatening gunshot wounds.

Shooting five involved a robbery at 2:10 a.m. Tuesday. Victims were in a car stopped 19th and Guerrero streets in the Mission. Multiple suspects in an SUV in front of them exited and accosted the victims, robbed them and shot one victim, then fled.

San Francisco Police Department's Investigations Bureau is looking into all five incidents.