A Police Constable and a PCSO have been stabbed in Ealing after stopping a member of the public on the street. The officers have been taken to casualty and a 30 year old man has been arrested.
Twitter user @PortiaFreno tweeted from the scene and captured the arrival of emergency services.
The PC is thought to be in a serious condition, whilst the PSCO's injuries are not thought to be life threatening.
Boris Johnson responded on Twitter saying, "Shocked by the stabbing of a police officer & a PCSO in Ealing. No place for this on the streets of London".