A man has been attacked in broad daylight leaving him with a head injury that required hospital treatment.
The 20-year-old from Brentwood was attacked by a man in King King George's playing fields on April 14 at around 5pm.
Police say he was assaulted by another man who himself was part of a much larger group of men.
Police are looking for a mixed-raced man aged between 16 and 20 who was wearing sunglasses and an Adidas tracksuit.
A police spokesman said: Police investigating a an assault on a 20-year-old old man from Brentwood which happened at King George's playing fields in Brentwood.
"The man was assaulted by another man who was part of a larger group of men
"He was struck to the head which caused an injury requiring hospital treatment.
The man responsible was aged between 16 and 20 wore sunglasses and an Adidas tracksuit and was of mixed race appearance."
Anyone with information should contact Essex Police on 101.
