FAIRLAND, Md. — Montgomery County police need your help locating a critically missing Fairland area man.

Police say James Sang Yu, 52, of Hidden Valley Drive was last seen in Reston, Virginia on June 1.  

Yu's family told police they have not been able to contact him since that day and reported him as missing on Monday. 

Yu is described in a police report as an Asian male, 5-foot-9 inches tall and weighs 200 pounds. He has black hair and brown eyes.

Police and family are concerned for Yu’s physical and emotional welfare.

Anyone with information on the whereabouts of James Sang Yu should call police at 301-279-8000.