A man was fatally stabbed Thursday during a punk rock show at a Santa Ana nightclub, police said.
Nathan Joe Alfaro, 23, of Westminster was taken to an area hospital in critical condition and was later pronounced dead, according to the Santa Ana Police Department.
He was listening to punk music just after 10:30 p.m. at Underground DTSA in the 200 block of East 3rd Street, police said.
The nightclub was hosting Top Acid Thursdays that night, featuring a number of bands, including the Feels, Santoros, the Hurricane, Ghali and the Jail Birds.
The event was billed as an indie, garage, psychedelic and funk show.
At some point during the show, the victim was involved in a fight with another man in the mosh pit and was stabbed in the upper torso, police Cpl. Anthony Bertagna said.
After he was wounded, the victim exited the nightclub and collapsed on the street. The assailant fled the area before police arrived.
Detectives on Friday arrested a man in connection with the stabbing, Bertagna said. Details about the arrest were not immediately available.
Anyone with information about the fatal stabbing is urged to call homicide detectives at (714) 245-8390 or Orange County Crime Stoppers at (855) 847-6227.
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