A young man was punched in the face during an assault in Braintree during the early hours of Sunday.
The 24-year-old, who lives in the Braintree area, was attacked at around 3am in Market Place, near The Bull pun.
He suffered cuts and bruising to his face and needed dental treatment for damage sustained to his teeth.
Two men are believed to have been involved in the assault.
They were both white, around 5ft 9in to 5ft 10in tall, of slim build and in their early to mid 20s.
One of the men had short brown hair and was wearing a white top and a long brown coat.
The other had short blond hair.
Investigating officer, Pc Clair Ward, said: "Witnesses we have spoken to already have said they believe that several people caught some of what happened on their mobile phones and there is video footage out there.
I would urge anyone who may have recorded any of this incident or has any information to get in touch with me at Braintree Police Station on 101 or ring Crimestoppers anonymously on 0800 555 111."