Two people were in critical condition but as of the news conference at 4 a.m. local time, no one had died, interim Austin Police Chief Joseph Chacon said.
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The shooter or shooters remain at large, and detectives were working rapidly to view an array of video gathered by bystanders and other cameras near the scene to identify any suspects. Authorities say the shooter appears to have fired randomly.
Among the 13 people injured, 11 were in stable condition and two were in critical condition.
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