Police and paramedics are at the scene on Bishopsgate, near Liverpool Street Station in the heart of the capital.
Three people have been stabbed in a “major incident” in London.
Police and paramedics are at the scene on Bishopsgate, near Liverpool Street Station in the centre of the capital.
Witnesses reported seeing “a fair amount of blood” and “casualties behind a white screen”.
An ambulance was seen at the scene
Early reports suggested the stabbing broke out when bystanders tried to stop thieves on electriv bicycles from stealing someone’s mobile phone.
A witness told MyLondon: “I saw it from a bus. There was a fair amount of blood visible but the casualties were behind a white screen. Lots of paramedics over someone on the floor.”
Another said: “Drove past it, and saw 4 people injured – City of London police, told me 4 people were randomly stabbed.”
Nearby offices have been placed on lockdown.
A City of London Police spokesman said: “We received reports of three stabbings & a person pushed to the floor on Bishopsgate at 9.46am & officers arrived at the scene at 9.51am.
“Three victims were taken by LAS to a nearby hospital to be treated. This is an ongoing situation, but is not being treated as terror-related.”
There have been no arrests.