Police are investigating a stabbing overnight in Clapham.
Officers were called by London Ambulance Service shortly after 04.00hrs to an injured man outside Clapham North Underground Station on Bedford Road.
A man believed to be in his 30s was taken to hospital suffering a stab wound.
The injury is being treated as life threatening.
There have been no arrests and enquiries continue.
A 14-year-old boy arrested on suspicion of GBH, in connection with the stabbing of a schoolboy, also aged 14, has now been bailed.
The victim, who suffered wounds to his leg and back, was stabbed on Friday, in Abbey Wood, south-east London. Witnesses described him being attacked by two black males. One was believed to have a knife and the other a metal pole.
Anyone with any information is urged to call the Trident incident room on 0208 247 4877. To remain anonymous call Crimestoppers on 0800 555 111.
A murder investigation's underway after a woman was stabbed to death in the street in Neasden.
The attack happened in Prout Grove just after 7.30pm last night. The 42-year-old woman died soon afterwards in hospital. Two men have been arrested.
Anyone who witnessed the attack or has information that may help police can call the incident room on 020 8345 3865. To remain anonymous, call Crimestoppers on 0800 555 111.
A murder investigation has been launched after a man was stabbed in Stratford on Monday.
The 22 year-old was stabbed in the neck in the Broadway area just after 8pm.
He was taken to an east London hospital where he died later that evening.
No arrests have been made.
Three more men have been arrested after a father of one was fatally stabbed outside a pub in Borough - with police believing the incident was a case of mistaken identity.
Father of one Christopher Foster was attacked by a hooded gang as he smoked a cigarette with a friend late in the evening on Friday November 26th.
Scotland Yard said three men aged 25, 29 and 33 were arrested today and remain in custody at a south London police station.
Detectives investigating the murder of a single father outside a London pub have made a second arrest.
Christopher Foster was stabbed outside St Christopher's Inn on Borough High Street last Friday. Witnesses say he was attacked by a gang who were brandishing baseball bats and at least one knife.
Officers believe the offenders targeted the wrong man.
A 30-year-old man has been arrested on suspicion of murder and has been taken into custody at a south London police station. It comes after a woman was arrested and bailed on Sunday on suspicion of assisting an offender.
Police say Christopher Foster, who was fatally stabbed outside a pub in Borough High Street on Friday, is believed to have been a victim of mistaken identity.
A gang of "hoodies" is being hunted by police after a man was fatally stabbed outside a pub in Borough High Street. Victim Christopher Foster had a young daughter.
The 35-year-old is thought to have been having a cigarette outside St Christopher's Inn moments before he was stabbed.
Witnesses say they saw seven suspects wearing hooded clothing carrying baseball bats and at least one knife. Anyone with information should call the incident room on 020 8345 3865, or Crimestoppers on 0800 555 111.
Police investigating an alleged attempted murder are searching for a 35-year-old man.
Richard Frost is believed to have been at the scene of an incident in Chelmsford, Essex, earlier this month when a 17-year-old boy was allegedly run down by a BMW car and then stabbed twice.
Mr Frost is thought to be travelling in East Anglia with his partner Kay Phillips, 26, and their five-month old son.
Police say Mr Frost has a leg injury and may be using crutches.
He's 5ft 8ins tall, of medium build and has pierced ears and tattoos on his hands.
Miss Phillips is about 5ft 4in tall, with blue eyes and shoulder-length or long dyed blonde hair.
Police are urging members of the public to come forward with any information by calling 0800 0961233 or 0207 1580197