Police are seeking the public’s help to find a missing New Cassel man.

Mohammed Saleem, 29, has Down Syndrome and is a deaf-mute, Nassau County police said in a news release.

He was last seen leaving his home on Elderberry Lane in New Cassel on Sunday shortly before 5 p.m., police said.

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He is 5’2” tall, 100 pounds and has black eyes and black moustache and hair. He was last seen wearing a blue- and red-checkered shirt, dark pants and tan boots.

Anyone with information is asked to contact the Missing Persons Squad at 516-573-7347 or call 911. All callers will remain anonymous.