A Westbrook man has died. Police say he may have been beaten to death.At approximately 1:25 am Portland Police responded to a 911 call for an assault that occurred at Monument Square. When officers arrived they found a 24 year old male unconscious. The victim, a 24 year old Westbrook man, was transported in serious condition to Maine Medical Center. According to witnesses the victim was walking with a female friend when they were confronted by a group of three males. The victim was assaulted, he was knocked unconscious. The suspect is described as a male Hispanic or Middle Eastern in appearance, 20 to 30 years of age, 5’6″ to 5’9″, 130-180 pounds, he was wearing a yellow shirt, baggy jeans, with a hip hop style flat brim hat. The other males in the group were dressed in a similar fashion.The Westbrook man passed away at Maine Medical Center.