A 29-year-old woman was seriously injured in a shooting early Sunday in downtown Oakland, in the 200 block of 14th Street. The shooting was reported at about 1:35 a.m. The woman was taken by ambulance to a hospital, where she remained in grave condition, according to media reports citing sources familiar with the incident. The woman had been involved in a confrontation before she was shot, the reports said. What sparked the confrontation has not been disclosed. She is not from Oakland, but her hometown and reason for visiting the city have not been made public. No further details about a suspect or possible arrest were available.