A woman was shot to death late Monday night at a sports bar in north Houston and her killer is on the run.

The shooting happened about 10:30 p.m. at the Las Palmas bar on Hogan near Fulton, according to the Houston Police Department.

Police said a man shot the woman, but so far it is unclear what led to the gunfire. Information about their relationship was not available. Investigators said they are interviewing four people who were in the bar at the time of the shooting.

Police said the woman, whose name has not been released, died at the scene.

The man left after the gunfire. No description of the man was immediately available.