WALLINGTON - Wallington police and the Bergen County Prosecutor's Office are investigating an alleged aggravated assault on a resident late last night.

Authorities say Nelson Martin, 54, was found inside his Lilac Lane home suffering from an injury to the head. Police say Martin was struck in the head by an unknown assailant sometime Wednesday evening.

Officials say Martin was discovered by family members at around 10:30 p.m. He was taken to Hackensack University Medical Center where he underwent surgery.

Anyone with information is urged to contact either the Wallington Police Department at (973) 473-1715 or the Bergen County Prosecutor's Office, Major Crimes Squad at (201) 226-5651.