SYOSSET - Nassau police are asking for the public's help in finding a teenager who has been reported missing.

Police say 15-year-old Stephen Cherpelis was last seen around 1 p.m. Friday walking on Convent Road in Syosset.

News 12 is told that Cherpelis had just left the Mercy First facility.

Detectives believe he might have been headed to Floral Park.

Anyone with information is urged to contact Nassau's Missing Persons Squad at 516-573-7347.