"One suspect is in custody at this time. The second suspect remains at large. The Austin Police Department would like to thank the US Marshals Lone Star Fugitive Task Force for assisting with the arrest of this suspect. We continue to work on this case and follow up on leads to apprehend the remaining suspect," police said on Saturday.
Earlier, Acting Austin Police Chief Joseph Chacon said that a shooting occurred at around 1.30 am (06:30 GMT) in downtown Austin on Saturday. Initially, police put the number of people who sustained gunshot wounds or were injured at 13.
Later, Austin city authorities said on Twitter that the number of injured had risen to 14, with "almost all" believed to be innocent bystanders.
Police said that it was an isolated incident and that two male suspects were being sought. The exact cause of the shooting remains unclear.