The girl, 14, was rushed to hospital after suffering from stab wounds, the London Ambulance Service reported. The incident occurred at approximately 3pm on Eynsford Road in Ilford, east London. After arriving at the scene, paramedics took the victim to a major trauma centre.
One female, whose age is unclear, has been arrested on suspicion of GBH with intent.
The Metropolitan Police said: “Police were called at 3pm on Monday, September 6, to Eynsford Road, junction with Green Lane, Ilford, to reports of a stabbing.
“Officers attended with LAS and found a 14-year-old suffering from a laceration to her neck.
“Her condition at this time is not thought to be life-threatening.
“Officers arrested another female on suspicion of GBH with intent and have taken her into custody.
“A crime scene is in place and enquiries are ongoing.”
The ambulance service added: “We were called at 3.01pm today to reports of a stabbing on Eynsford Road, Ilford.
“We sent a number of resources to the scene including an ambulance crew, a medic in a car, an incident response officer and London’s Air Ambulance.
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At the time Mr Khan said: “As we go into the summer, London and national partners, including the Met Police, the Probation Service, local authorities, City Hall and communities, are working closely together on a comprehensive plan to tackle violence and ensure young Londoners have positive activities to get involved in during the holidays.
“We are putting aside any political differences as it’s vital all relevant authorities and leaders work together to make sure we’re doing everything we can to reduce violence and keep our city safe.”
The Met Commissioner also revealed the police are pouring large amounts of money into tackling knife crime.
Police minister, Kit Malthouse insisted every neighbourhood has the right to feel safe.
He added: “We all have a responsibility to act and that is why the Government is taking action to tackle the drivers of crime, divert young people at risk of violence or exploitation, get weapons off our streets and deliver swift justice to criminals.
“To succeed it needs agencies working together at national and local level to help give our young people a safe summer.”