FISHKILL - State police say a 15-year-old Fishkill boy forced a 7-year-old girl to perform a sex act on him, then tried to set a fire in an attempt to kill her.

Investigators say the girl told case workers that it happened at a home where she was staying in Fishkill.

advertisement | advertise on newsday

Authorities say they have recovered evidence at the scene.

The 15-year-old suspect, whose identity has not been released, is being held in a juvenile detention center.