The incident at The Sutton Arms happened on Friday evening
The disturbance at The Sutton Arms occurred late on Friday, 24 July, with security staff coming in to try to break up the commotion.
A video has since been shared widely on social media, which shows the scale of the fight.
Among the chaos, one man is seen appearing to strike out at other people with what looks like a cosh.
In a post on Twitter, Havering MPS said it is aware of the video on the incident, which happened at around 11pm on Friday, 24 July.
The statement said: “The matter is currently being investigated. One male suffered minor head injuries and was treated at the scene.
“No arrests have been made and police are appealing for any footage, witnesses or info, please call 101 or @MetCC Cad quote 9349/24Jul20/CRIS 5410906/20.”
@LBofHavering @RomfordRecorder @HaveringDaily @LocalCrimeBeats @essex_crime @Time1075_fm @BDPost #Essex #Romford #Hornchurch @MPSEmersonPark @MPSHylands @MPSSHornchurch @HornchurchLife Information & Update pic.twitter.com/EGOyZUhPgM
— Havering MPS. #StayAtHomeSaveLives (@MPSHavering) July 27, 2020
For more on this story, and the latest on our other local and national news, listen to Time 107.5FM.
Additional reporting by Lianna Bagley.
Tags: Havering, Hornchurch