NYPD divers were searching Saturday afternoon for a man who may have jumped into the East River, police said.

advertisement | advertise on newsday

The security office at the United Nations told police an emotionally disturbed man was seen trespassing on UN property about 7 a.m. before he jumped over a wall — and into the river — near East 42nd Street, authorities said.

He had not been found as of late Saturday afternoon, police said.