A man is currently in a life-threatening condition after being stabbed in the neck in Ealing.
A Metropolitan Police spokesperson said: “Police were called to reports of a fight on Argyle Road.
“One man, aged in his 30s, was found suffering from a stab injury to his neck.
“He has been taken to hospital, where his condition has been assessed as life-threatening.
“A man aged in his 30s has been arrested on suspicion of GBH.
“The injured man and the man arrested are believed to be known to each other.