Authorities say they arrested a man near Austin, an hour and a half southeast of Montreal today. He was wanted in connection with the man's death.
Police were called to the bar in Knowlton, Que. at around 2:25 a.m. Wednesday. They found a man lying behind the counter suffering from serious injuries.
He was rushed to hospital where he was pronounced dead.
It is unclear how many people were involved in the fight or what the motive was for the brawl.
Police are questioning the man in custody. They have not laid any charges.