Police are looking for two suspects in a series of violent robberies in Astoria last month.

In each case, one or both of the suspects approached the victim behind, punched him in the face and stole his property. 

The first robbery in the pattern was May 3; the most recent was May 31. Police say the first two crimes were committed in the afternoon or early evening, and the most recent was in the early morning.

Minor injuries were reported in each assault.

Police released surveillance video of the suspects from the most recent crime (above.)

Anyone with information about the robberies is asked to call Crime Stoppers at (800) 577-TIPS (8477).