HOUSTON -

Homicide detectives rushed to a gas station, where they found a man dead.  Police said the man had been shot.

Detectives said a man and woman were at a gas station in the early morning hours of Thanksgiving, when a man approached them.  Police said the two men got into an argument, and gunshots were fired.

It happened in the 7400 block of Long Point around 2:30 Thursday morning.  The man was found dead at the A-Medco food store.

Homicide detectives believe the motive behind the shooting was robbery.

Surveillance video was captured from the gas station, according to homicide detectives.

No suspects have been caught at this time, according to Houston Police.