HOUSTON -- A robber was killed when one of his victims shot him early Saturday, officials told KPRC Local 2.

Houston police said two armed men jumped out of a car and tried to rob four men at a home on Keel Street near O'Donnell Drive at about 1:30 a.m.

One of the victims pulled out a gun and a shootout ensued, officials said.

Investigators said both of the robbers were shot.

Detectives said one robber was shot in the torso and transported to Doctor's Hospital. He was later transported by helicopter to Memorial Hermann Hospital, where he died. His identity was not released.

The second robber was shot in the leg and was transported to St. Joseph's Hospital.

One of the robbery victims was also shot and transported to Memorial Hermann Hospital in stable condition.