Police say a 16-year-old from Pleasantville is missing, and they believe he may be in imminent danger.

Gabriel Cordiero Silveira was last seen in Pleasantville at 2 p.m. on Sept. 14.

He was wearing a red shirt and carrying a backpack.

Police say Cordiero Silveira is believed to be suicidal and may be in need of medical attention.

He is described as 5 feet 9 inches tall, 175 pounds, with brown hair and eyes.

Cordiero Silveira may be traveling to Quogue, Long Island by train.

Anyone with information on him is called to call the Pleasantville Village Police Department at 914-769-1500 or call 911.