KUSA - Part of Blake Street was closed Saturday night while police investigated an alleged assault at the Summit Music Hall at 1902 Blake Street.
According to police, a man was thrown off the stage with "severe head injuries."
Police said the victim was not conscious when they arrived and was taken to a nearby hospital in critical condition.
Blake Street remained closed between 19th Street and 20th Street Saturday night.
The Kotton Mouth Kings were scheduled to headline the event.
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