A man is accused of stealing cellphones from at least seven passengers on the L train in Brooklyn, police say. 

The incidents all happened on the L train and go as far back as February and as recently as April. 

Police say in all cases the suspect used a sharp object to cut open a passenger’s pants pocket with a sharp object in order to extract their cellphones, wallets and sometimes credit cards. 

The suspect is described as being between 30 and 40 years old, and was last seen wearing a light blue button-up shirt, black New York hat, blue jeans and black sneakers.

Anyone with information is asked to call Crime Stoppers at 1-800-577-TIPS.