An illegal marijuana purchase at Port Chester's was interrupted, but not by police.
Port Chester police said a man dressed in a hoodie and wearing a ski masked robbed two people at about 9:51 p.m. in the park as the were in the middle of a drug transaction. No one was injured.
Police said the incident was discovered by the park patrol. The victims were a 19-year-old Greenwich resident and a 24-year-old Port Chester resident.
Police are uncertain of the amount of cash and marijuana taken in the incident.