SAN FRANCISCO (CBS SF) — Police in San Francisco are investigating a shooting in the Mission District Wednesday afternoon that killed a male victim, according to authorities.

Police said that at 4:12 p.m., officers responded to a shot spotter notification near the intersection of 22nd Street and Bartlett Street in the Mission.

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Officers arriving at the scene found an adult male victim suffering from a gunshot wound. The victim was transported to an area hospital with life-threatening injuries, but was pronounced dead at around 7:30 p.m. despite life saving efforts from hospital staff.

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Police said the incident has now turned into a homicide investigation.

Chopper 5 footage of the active investigation at the crime scene showed officers blocking off Bartlett street to traffic.

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Police said there is no suspect in custody and have yet to offer any description of a suspect in connection with the shooting. The San Francisco Medical Examiner will also conduct an investigation and will identify the victim.