FORT LAUDERDALE, Fla. – A man was shot and killed Sunday morning in Fort Lauderdale.

The man, identified as Raul Santos, was shot by the boyfriend of his girlfriend’s daughter after an argument, according to family members.

“My stepdad and my sister’s boyfriend started fighting,” said Ivan, the son of the victim’s girlfriend. “My stepdad got shot.”

The shooting happened along the 3100 block of Southwest 13th street.

According to Ivan, his sister’s boyfriend, Darwin, got into an argument with Santos over his sister’s young child.

“My stepdad, he loves my sister’s daughter. She’s 7 years old,” Ivan said. “Darwin hits her mostly every day. That’s when my stepdad gets mad. He starts fighting with him.”

Things got heated during the argument and it turned physical.

“They started hitting each other,” Ivan said. “My sister’s boyfriend, he went to the car and got the gun, and he started shooting.”

Police are still looking for the shooter.