Police in Port Arthur continue to investigate Monday morning’s armed robbery of a Shell gas station in the city.

The robbery happened at approximately 5:03 a.m. — two hours before sunrise, at the station located at 2549 Memorial Blvd.

The suspect was wearing all black including a long sleeved shirt and a mask when he entered the business and threatened the clerk who believed he had a weapon.

He left on foot with an undetermined amount of money, Port Arthur Police Det. Sadie Guedry said.

Police did not give any specifics on the suspect description other than to say he was a man of unknown race.

If you know the suspect’s identity or have any other information, call the Port Arthur Police Department at 983-8600 or Crime Stoppers of Southeast Texas at 409-833-TIPS.

You won’t be asked your name and you may be eligible for a cash reward. You can also make an anonymous tip to Crime Stoppers by downloading the P3 Tips app on your smartphone.