NYC Police Commissioner Keechant Sewell just called for the public’s help in finding a 16-year-old nonverbal boy with autism who has been missing since 5 p.m. Wednesday.

He is from California and does not know the city. His name is Connor Lian but he answers to the name “Red” and could run if approached.

NYPD launched a search Wednesday night, both in Manhattan and Flushing, Queens.

He was last seen with his family near St. Patrick’s Cathedral at the northwest corner of West 40th Street and Fifth Avenue when they became separated.

He was last seen wearing black sweatpants, a black sweater, a gray jacket with a blue water bottle inside, brown shoes, a tan baseball hat with Torrey Pines Invitational on the front.

He is approximately 5 feet 6 inches tall, 125 pounds with brown eyes and black hair.

Anyone with information is asked to notify Det. Vincent Calvanese at 212-239-9856 or Detective Borough Manhattan South at 212-477-7447.