A 16-year-old boy was stabbed in the head during a "violent" attack at Stratford station.
The victim was walking through the subway at around 2.22pm on Monday, February 13 when a man walked past him and tried to trip him up, British Transport Police (BTP) said.
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A British Transport Police spokesperson said: "He was then ambushed by two other young men who violently attacked him, kicking and stamping on him and stabbing him in the head and arm.
"The victim was taken to hospital where he received treatment and is now recovering at home."
Police have released CCTV images of young men they want to trace who detectives think may have information which could help their investigation.
For the latest crime news in East London, join our East London Crime Watch group on Facebook.
If you recognise them or have any information contact BTP by texting 61016 or calling 0800 40 50 40 quoting reference 603-13/02/23.
Alternatively call Crimestoppers anonymously on 0800 40 40 50.
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