OAKLAND (CBS SF) — A shooting in Oakland at Lake Merritt early Thursday morning has left a victim in “grave condition,” police said.

The shooting happened just before 12:30 a.m. along the 1400 block of Lakeshore Avenue. Oakland police said arriving officers found a woman suffering from at least one gunshot wound.

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Officers provided first aid until medics arrived and took her to the hospital. The victim’s identity was withheld pending family notification.

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Anyone with information about the shooting was asked to call the Oakland Police Department homicide section at (510) 238-3821 or the tip line 238-7950.

The shooting was one of three shootings in Oakland within 12 hours. On Wednesday afternoon, a concert-goer was shot in front of the Fox Theater, prompting the venue to cancel a concert with the bank All Time Low. The victim was expected to survive.

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Another shooting was reported at around 9:30 p.m. along 97th Ave. near B Street in East Oakland. The victim reportedly was shot multiple times and was listed in critical but stable condition.