A man has been stabbed to death in a south-east London street.
The victim, in his 30s, was attacked in Lordship Lane, East Dulwich, near the junction with East Dulwich Grove, at about 02:30 GMT.
He was treated by paramedics but was pronounced dead at the scene shortly after 03:00.
The Met Police said no arrests have been made and inquiries were ongoing. Local roads which were closed have now reopened.
Local MP Helen Hayes said she was “appalled to learn of the fatal stabbing” which had left another family “devastated.”
In a separate attack, a 23-year-old man was critically injured in a stabbing in Neasden, north-west London.
Emergency services were called to Cairnfield Avenue at about 22:45, and took the victim to hospital where he remains in a critical condition.
A 29-year-old man was arrested on suspicion of attempted murder, while a 24-year-old woman was held on suspicion of assisting an offender.
Both remain in custody.
In west London, a 16-year-old boy was stabbed during a fight in Central Avenue, Hayes, on Saturday afternoon.
Four males – two aged 18, one aged 15 and another aged 16 – were arrested on suspicion of attempted murder and remain in custody.
The boy is being treated in hospital. His condition is not life-threatening, Scotland Yard said.
Meanwhile, also in west London, a man was found with gunshot wounds in London Road, Isleworth, at about 19:15.
He was taken to hospital. The Met have not given an update about his condition.
No arrests have been made and the force said they were keeping “an open mind concerning motive.”