Police are searching for a person of interest after a 21-year-old man died after a fight at a bar in Dixon early Saturday morning. 

Dixon police responded to Luke's Lounge around 2 a.m. for a report of a fight in the bar on North 1st Street. 

Officers said they found a man, later identified as Kane Nishimoto of Vacaville, suffering life-threatening injuries to his torso. He was rushed to a hospital where he later died, police said.

Police identified a person of interest as 44-year-old Brian Sweeney. His location is unknown at this time, police said.

Anyone with information is urged to contact the Dixon Police Department.