STATEN ISLAND, N.Y. – A worker at a pharmacy was threatened with a knife during a robbery in Dongan Hills last month, according to police. The incident occurred on Aug. 6 at around 9:15 p.m., when an unknown individual entered a store located at 1361 Hylan Blvd. and removed cans of soda and dog food without paying, an NYPD spokeswoman said.