Suffolk County police closed a portion of Montauk Highway in downtown Islip Thursday until about 9:30 a.m. to investigate the report of a suspicious item.

A police spokeswoman said the item was determined not to be threat.

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She said a 911 call came in at 7:05 a.m. reporting that an item was in front of a hair salon in the 500 block of Main Street.

Patrol officers and Emergency Services responded, closing the road between Nassau Avenue and Monell Street during the investigation.