Police are searching for an armed robber who held up a Mobile gas station in Holbrook. 

According to police, the man walked into the service station on Express Drive South just after 10:30 p.m. Wednesday. 

Police say the man pulled out a handgun and demanded cash and then took off with the money. 

No one was injured during the incident. 

Anyone with information is asked to call Suffolk Crime Stoppers at 1-800-220-TIPS.