BROOKLYN - Investigators have released surveillance video of an armed robbery suspect caught in action. 

Police say the suspect held up a Metro PCS store on Rockaway Avenue in Bed-Stuy Monday night. 

The video shows the man pull a gun from his waistband and point it at a clerk at the register. Officials say he then got away with about $100 and a Samsung Galaxy cellphone. 

He was wearing all white with a dark baseball cap, and is believed to be in his 40s.