PORTSMOUTH, Va. — Detectives are investigating an early morning armed robbery in the 4000 block of Greenwood Drive .
Dispatchers received the call just after 2 a.m. Wednesday morning for an armed robbery that occurred at the 7-Eleven.
Police say the suspect was armed with a knife and demanded money.
No one was injured.
If you have information regarding this incident, call the Portsmouth Crime Line at 1-888-LOCK-U-UP.
Stay with WTKR News 3 as more information becomes available.