This only includes incidents that Newsquest London is aware of and has reported on.
The attacks unfolded between February 19 and 20 in Mitcham and Harrow.
Information about each incident is from the Metropolitan Police.
Boys, 15 and 17, in hospital after double stabbing
Two teenage boys were taken to hospital after a double stabbing in Mitcham.
Police were called to reports of a stabbing on Lindsey Close at 6.38pm on February 19.
Officers attended and found a 17-year-old boy with stab wounds.
He was treated by paramedics at the scene before being taken to hospital.
Police await an update on his condition.
Police received a second call at just after 7pm with reports of a separate boy injured on a nearby street, Radnor Close.
Officers attended and found a second victim, a 15-year-old boy, with stab wounds.
According to police, he is believed to be involved in the same incident.
He was treated by paramedics and taken to hospital.
His condition has been assessed as neither life‑threatening nor life‑changing.
Two men, aged 19 and 22, were arrested later that evening on suspicion of attempted murder.
They remain in custody.
Man in hospital after Underground station stabbing
A man was taken to hospital after a stabbing at a London Underground station.
The incident happened at Harrow and Wealdstone station just after 2.15pm on February 20.
Officers and London Ambulance Service crews attended and found a man injured.
He was taken to hospital where his condition is unknown at this stage.