A Darlington bar has "removed" a bouncer after footage emerged of him allegedly attacking a man in broad daylight.
Police are investigating the incident which happened on Saturday, outside the Boot and Shoe Hotel.
Footage appears to show the doorman take a swing at the man before restraining him and wrestling him to the ground.
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Management at the Church Row venue said an investigation into the incident is under way.
"The venue regrets the incident dated 12 June 2021 and has subsequently removed the door supervisor in question from the venue," said manager Chris Metters.
"The matter is presently being investigated by the police and the security company involved and we are cooperating fully with them."
Durham Constabulary are also probing the footage.
"We are aware of a video circulating on social media showing an incident which happened outside the Boot and Shoe pub in Darlington town centre at approximately 6pm on Saturday," said a spokesperson for the force.
"Officers were alerted to the incident by operators of the town centre CCTV system and attended the scene. An investigation into an alleged assault is under way."
Kay Pattinson, who filmed the clip, described the incident as "sickening".
She claims she started filming due to a related incident moments earlier.
"The lad was a bit drunk and he was just bobbing around talking to people - that's it, " she added.
Anyone who witnessed the incident is asked to call police on 101, quoting crime number 00339286.