Two 18-year-old Holbrook men used Facebook and a BB gun to rob two teens Monday in Wantagh, Nassau County police said.

Joshua Dacunha, of 11 Maple Ave., and Brandon Ward, of 32 Tarkington Rd., are charged with two counts of second-degree robbery after they took an undisclosed amount of cash from the teens at Johnston and Douglas avenues, police said.

Police are looking for a third suspect in the robbery that happened just before 11 p.m.

First Squad detectives said that the victims, two 14-year-old boys, arranged via Facebook to meet the suspects to purchase sneakers for an agreed-upon price.

Dacunha, Ward and a third suspect arrived at the corner in a black Infiniti and displayed a black handgun while demanding cash, police said.

The victims gave up an unspecified amount of money, and the suspects drove off, police said.

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After an investigation that included Suffolk County police, Dacunha and Ward were arrested without incident Monday at Dacunha's residence, police said. A black BB gun and the money from the alleged robbery were recovered, police said.

Both were arraigned Tuesday at First District Court in Hempstead. Bail was set at $30,000 for Dacunha and $50,000 for Ward. Dacunha's attorney could not be immediately reached for comment Tuesday afternoon; Ward was represented by Legal Aid, which has a policy of not commenting on cases.

No injuries were reported.

With Ellen Yan