Teenager becomes the London's latest stabbing victim as four youths are arrested over attack

Four teenagers were arrested after the youth was stabbed in a block of flats.

The boy, who has not been named, was attacked in a stairwell at Newall House, Harper Road, south London in the early hours of this morning, and died at the scene.

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Four male youths - two 17-year-olds, a 16-year-old and a 15-year-old - were arrested nearby, and are now in custody at a south London police station.

Detective Chief Inspector Mick Duthie, of the Metropolitan Police's homicide and serious crime unit, said: "Another youth has lost his life through knife crime, and we urge anyone with information to come forward as a matter of urgency."

A post mortem will be carried out on the victim, who was from the Peckham area of south London, at Greenwich mortuary.

The 15-year-old's death has sparked concerns among the community that London's knife crime is soaring.

Just days ago, a 23-year-old man was stabbed repeatedly while waiting to buy a copy of Grand Theft Auto IV in South Croydon.

And last week, three men were stabbed outside Katie's Kebabs in Peckham, after Home Secretary Jacqui Smith visited the area to prove it was safe.

There were four killings in March alone in different parts of the capital.

According to Metropolitan Police figures, 26 teenagers were murdered in London last year in stabbings and shootings.

Of these attacks, 16 young people died after being attacked with a knife, nine in gun incidents and in one case the cause of death was unconfirmed.

Those who have been murdered this year include: • January 1 - Henry Bolombi, 17, dies from a single stab wound to the chest after being attacked as he walked home in Edmonton, north London, after celebrating New Year.

• January 5 - Faridon Alizada, 18, of Bexley, south-east London, dies from three stab wounds to the chest after being attacked in Verona House, a tower block in Erith.

• January 21 - Boduka Mudianga, 18, known by his middle name Louis, dies in a street brawl in Silver street, Edmonton, north London. He was stabbed.

• January 26 - Fuad Buraleh, 19, of Hayes, Middlesex, dies from a head injury after being beaten minutes after getting off a bus in Dean Gardens, Uxbridge Road, Ealing.

• February 19 - Sunday Essiet, 15, died from a stab wound after being attacked following a row between groups of youths in Invermore Place, Woolwich.

• February 23 - Tung Le, 17, of Deptford, south-east London, was attacked during a row outside a nightclub in Cockspur Street. He died from a stab wound.

• February 29 - Ofiyke Nmezu, 16, known as Iyke, of Edmonton, suffered a head injury in an attack with a brick on February 15. He attended hospital two weeks later where he died from a skull fracture.

• March 13 - Michael Jones, 18, dies from severe head injuries and a stab wound to the chest after being attacked by an intruder at his home in Stanley Road, Edmonton.

• March 14 - Nicholas Clarke, 19, dies from a gunshot wound to the head after a shooting at the Myatts Field Estate, Brixton.

• March 27 - Devoe Roach, 17, dies after being stabbed in the chest in Stamford Hill, north London.

• March 27 - Amro Elbadawi, 14, of West Kilburn, dies from stab wound after being knifed in Queen's Park, west London.

• May 3 - a 15-year-old from Peckham dies from stab wounds after he is attacked in the stairwell of a block of flats in Southwark.

Anyone with information about the latest incident should contact the police incident room on 020 8721 4155 or ring Crimestoppers anonymously on 0800 555 111.