SAN FRANCISCO (CBS SF) — One man was dead and two others wounded in three separate early Sunday morning shootings across San Francisco.

SFPD Investigations Commander Raj Vaswani posted a series of tweets on the shootings.

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“These are all active investigations,” Vaswani posted. “The shootings are not related. No additional info to release at this time.”

SFPD PIO Officer Robert Rueca said officers responded shortly before 5 a.m. to reports of a shooting at Potrero Avenue and Cesar Chavez Street, where they found a 31-year-old male victim with a gunshot wound.

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The officers gave aid and emergency medical crews took the man to a hospital with life-threatening injuries. The man, whose name was not released, died at the hospital.

The first shooting of the morning took place in the Bayview District. Officers were called to investigate reports of a shooting on Friedell Street at 1:40 a.m. The adult male victim suffered life-threatening wounds.

A second shooting took place in San Francisco’s Tenderloin neighborhood at Turk and Taylor at around 3 a.m. Vaswani tweeted the shooting was related to drug dealing. The victim suffered non-life-threatening wounds.

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Anyone with information about the shootings was asked to contact San Francisco police at (415) 575-4444 or text a tip to TIP411 and start the message with SFPD.