Cops have launched an investigation after two teenage boys were injured in a double stabbing on Saturday evening.
The 16-year-old is in a critical condition fighting for his life in hospital.
The other boy, 16, is in hospital in a non life-threatening condition.
Three men have been arrested on suspicion of grievous bodily harm.
A Met Police spokesman said: “Police were called at approximately 5.55pm on Saturday, August 10 to reports of a fight in Dodson Street, SE1.
“Officers and London Ambulance Service attended the scene.
“One male – believed aged 15 – was taken to a south London hospital for treatment to stab injuries; his condition is not life-threatening.
“A second male – believed aged 16 – was found suffering a stab injury in London Road, SE1; he has been taken to hospital for treatment – he is in a critical condition.
“Three males – no further details – have been arrested on suspicion of GBH; they remain in custody.
“Enquiries into the circumstances remain ongoing.”
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