RIVERHEAD - Police are searching for four men accused of assaulting and robbing a man in a wheelchair and then taking off. 

The attack happened on June 1 around 10:30 p.m. near the LIRR tracks on Maple Avenue in Riverhead. 
Police say the man was attacked from behind, while in his wheelchair.
The four men beat him with weapons and stole cash and prescription drugs, police say.  

If you have information you are asked to call Crime Stoppers at 1-800-220-TIPS