A 20-year-old man was arrested yesterday over the stabbing of Dagenham teenager Joel Adesina in Bethnal Green.
Police took him into custody in London after arresting him on suspicion of murder in Beccles, Suffolk.
Joel, 15, died three hours after being stabbed in a street fight late on Friday, December 5.
The teenager had been walking with friends near Bethnal Green Road when they got into an argument just before 11pm. The group were pursued into Padbury Court where Joel was then stabbed.
Two men aged 23 and 24 were arrested and taken into custody at separate North London police stations on December 8.
A 24-year-old woman arrested on the same day has been released on bail.
Detectives are still appealing for information.
The incident room can be contacted on 020 8345 3734. Alternatively anyone with information can call the police non-emergency line on 101 or call Crimestoppers anonymously on 0800 555 111.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here