A man was found in Lower Clapton suffering a deep cut to his wrist after being attacked with a bottle in Stoke Newington on Friday afternoon (July 1).
Police officers were flagged down to a vehicle in Urswick Road, near Homerton High Street, which was en route to hospital.
A 20-year-old man had been slashed with a bottle in Pellerin Road.
He was was taken to hospital where his injuries were described as non-life threatening or changing.
A police spokeswoman said the only details available about the suspect was that he was white.
Anyone with any information shall call DC Jugdeep Atwal of Hackney CID on 020 7275 3635 or 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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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