Police have issued a statewide Silver Alert for a missing Groton teenager who is classified by police as an endangered runaway.

Zachary Sostka, 16, an Asian male with brown hair and brown eyes, was reported missing from Groton on Thursday. Sostka is 5 feet 10 inches tall and weighs 170 pounds. He was last seen wearing a blue hooded winter jacket, khaki pants and white shoes.

No photo was available. Anyone with information about his whereabouts should contact Groton Town police at (860) 441-6712.