Police are appealing for witnesses after two men from Westcliff were assaulted in Rochford.
It happened in the car park in Back Lane, Rochford, at around 1.30am on Saturday, June 25.
The pair were waiting with a friend for a taxi after a night out.
They started speaking to a group of men in dark coloured hatchback style car which was parked in the car park. One of the men from the group then attacked them both.
One, who is aged 38, was knocked unconscious and the other, aged 42, lost two teeth and suffered a broken ankle after he was pushed to the ground.
The attacker has been described as white, aged 19 to 20, clean shaven with short, fair or brown hair and was between 5ft 7ins and 5ft 9ins tall. He was of slim to medium build and had blue or green eyes. He was wearing tracksuit bottoms, a hooded top and trainers.