Las Vegas police kill victim of home invasion who called 911 for help

LAS VEGAS (KABC) -- Las Vegas police are investigating a shooting in which an officer killed a victim of a home invasion who had called 911 for help.

Officers showed up at the home and found a man struggling with a woman over a knife. An officer opened fire and struck the man, killing him at the scene. Only later did they discover the man who was killed lived at the home and was struggling to fend off the woman who had broken into his home.

The man and woman knew each other and had been in a relationship, police say.

The incident happened Tuesday around 12:40 a.m.