Police searching for group of men connected to string of violent robberies

A group of men in the borough are wanted for a string of violent robberies.
Two of those robberies happened just minutes apart, according to police. Officers say the men attacked a 40-year-old man back on July 16 in an attempt to rob him on Arnow Place but were unsuccessful.
Then 30 minutes later, they attacked another man at knifepoint on Zerega Avenue. The very next day, they struck again beating and robbing a 33-year-old man near Tratman Avenue.
Police say all the victims refused medical attention.