(CNN) At least 13 people were injured early Saturday in a mass shooting in downtown Austin, Texas, officials said. Two of the people injured were in critical condition, Austin Interim Chief of Police Joseph Chacon said at a news briefing Saturday. Six people were taken to a hospital by the Austin Police Department, and the Austin-Travis County EMS brought in four others for medial treatment, Chacon said. The scene of the shooting in downtown Austin. One hospital received 11 of the victims for treatment while another person was transported to a different hospital.