An Indian Air Force (IAF) sergeant allegedly killed his colleague after a brawl, police said in Chandigarh Monday.
Gurmeet Singh Gill,38, posted at the 12 wing of the Air Force station here, killed Surjit Singh Saini, posted at three Base Repair Depot, Sunday night, they said.
Both were in an intoxicated state when Gill allegedly hit Saini on his head with a slab of stone following a brawl, police said.
However, Gill claimed that he acted in self-defence after Saini hurled a brick at him, but missed the target.
Gill has been arrested, police said.