Chatham-Kent Police are on the lookout for a suspect following an armed robbery in Chatham. 
Friday night a masked suspect – believed to be a man – walked into the PharamSave in Chatham carrying a black long gun.
The culprit got away with some narcotics before officers arrived.
Meantime, another suspect is in custody after an armed robbery in Wallaceburg.
The accused walked into the Subway restaurant on McNaughton Avenue brandishing a weapon, and got away with about $350 dollars.
The suspect was tracked down, police say he was carrying a replica firearm.