Police are asking for the public's help finding a group of men who tried to rob a man in Greenlawn.

They say the 21-year-old victim was approached by three men at the 7-Eleven on Broadway early Saturday morning.

They say one suspect hit the victim in the head with a gun before taking off empty-handed.

Anyone with information is asked to call Suffolk Crime Stoppers at 1-800-220-TIPS.