LINCOLN, Neb. (AP) — Police are seeking a gunman witnesses say burst into a Lincoln apartment were a group was playing dice, demanded money and randomly fired into the crowd of people there.

The Lincoln Journal Star reports that the shooting happened Thursday night, injuring one person.

Lincoln Officer Angela Sands says seven people were inside the apartment at the time of the ambush. One man was shot in a leg and taken to a local hospital. He is expected to recover.

Police say some of the people in the apartment knew the gunman, who has not been found.

Police say several of the witnesses are cooperating with investigators.