Las Vegas police are investigating a homicide in the west valley Wednesday night that left a woman dead.

According police, officers responded to a reported robbery at the Dotty’s casino on 6100 block of West Flamingo Road, near Jones Boulevard.

Police said a woman inside the casino was playing a video poker machine when a man started playing next to her. The man stood up from his machine and grabbed the woman’s purse exiting out the front door, and getting into a waiting vehicle.

The manager of the casino chased after the robbery suspect, police said. The suspect pulled a gun on the manager as she went to the rear of the car. The suspect then put the car in reverse and ran the woman over.