Authorities are investigating an armed robbery at a north Houston gas station.
It happened at the Exxon gas station on the North Freeway at Tidwell around 6 a.m. Tuesday.
Houston police said two masked men walked into the gas station, held the clerk at gunpoint and demanded money.
Police said the robbers got away with about $500.
The clerk was not injured.
Houston police are reviewing surveillance video to learn more about the robbery.