THE BRONX - Police say a search-and-rescue effort is underway in the Bronx for a missing 21-year-old man.

According to authorities, Najee Martin was last seen leaving his cousin's house in Wakefield Tuesday wearing khaki shorts, a white tank top and blue and white sneakers.

He is described as 5 feet 8 inches tall with a medium build.  The victim's mother says he is bipolar and may not be taking his medication.  

Anyone with information is asked to contact police at 1-800-577-TIPS.