Hannibal Police are investigating an armed robbery of the Murphy USA gas station at 3660 Stardust Drive.

Police were called around 10 p.m. A search the area for a male suspect wearing a dark colored jacket with a mask over his face who fled on foot was conducted. Police reports say the suspect took money from the cash register and that a clerk sustained minor injuries but did not seek medical treatment.

This story will be updated as additional information becomes available.