Police are appealing for information to trace a man who is wanted in connection with a violent assault in Bow.
He is Anton Ward, 28, and is believed to live in the Hammersmith area.
The incident happened on 9 May, when Ward had met a man through a gay dating app and arranged to visit his address in Bow.
After they met, Ward assaulted the victim - punching him in the face and head - before leaving the flat.
The victim was not seriously injured.
Detective Constable Sajid Asghar of Tower Hamlets Community Safety Unit (CSU), said: "Anton Ward is a violent man who may represents a danger to those he meets through social media. I would urge anyone who recognises Ward or who knows of his whereabouts to come forward and speak to police."
Anyone with information is asked to call Tower Hamlets CSU on 0207 275 4507 or call Crimestoppers on 0800 555 111