Three store clerks were arrested, charged with selling alcohol to a minor, during a New York State Police sting operation in the Town of Southampton Wednesday, police said.

Police said clerks at seven of the 10 stores targeted in the operation declined sales -- in compliance with state code. The legal age to purchase alcohol in the state is 21.

Arrested were Karen Y. Castillo, 24, of Flanders, a clerk at the Flanders Deli & Grocery, 669 Flanders Rd., Flanders; Josselin Garcia-Aquino, 20, of Riverhead, a clerk at the Hampton Deli, 887 Flanders Rd., Flanders; and Marcia D. Cole, 52, of Riverhead, a clerk at the Hess Gas Mart, 816 County Rd. 39, Southampton.

All three were charged with unlawful dealing with a child and with prohibited sale of an alcoholic beverage, police said. All were issued appearance tickets returnable at a later date at the Town of Southampton Justice Court, police said.

advertisement | advertise on newsday

All sales involved an undercover operative, police said.

The seven stores found to be in compliance during the operation were: Thrifty Beverage Center, Riverhead; Shell Gas Mart, Hampton Bays; Melrose Deli, Hampton Bays; Bays Liquor, Hampton Bays; Hampton Bays Wines & Liquor, Hampton Bays; Hampton Beverage, Hampton Bays; and Shell Gas Market, Southampton.