A young man is fighting for life after being stabbed repeatedly on a busy road in north-east London.
They found a man aged in his 20s suffering from stab injuries.
He has been taken to a central London hospital where he remains in a critical condition, Scotland Yard said.
It comes after a police officer was stabbed outside Ilford station in east London on Friday night.
A Met Police spokesman said: “A crime scene remains in place. No arrests have been made.
“This incident is currently being treated as GBH with intent.
“Enquiries into the full circumstances are ongoing.”
Anyone with information is requested to call police on 101 quoting CAD 1802/24Nov or Crimestoppers via 0800 555 111. You can also tweet police via @MetCC.