O’FALLON, Mo. – A 45-year-old man was killed during a domestic incident in O’Fallon, Missouri Thursday night.

The man has been identified as 45-year-old Juan Ante.

Police responded to the 10 block of Holly Court around 10 p.m. for a report of a person who had fired a shot.

When officers arrived, they learned there had been a domestic violence incident between Ante and a 43-year-old woman. The woman’s father was also there and he reportedly fired a handgun in defense of his daughter.