London Mayor Sadiq Khan has announced £13 million of funding to tackle serious youth violence in the capital.
It comes after a weekend of violent attacks in London, which saw four men stabbed in Enfield.
The money for this round of funding, which will reach 42,00 young Londoners, comes in part from the sale of three water cannons which were bought by the previous Mayor of London, Boris Johnson.
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The crowd control machines, bought and refurbished for more than £320,000, have been sold as scrap metal for just £11,025.
Mr Khan said: "It is beggars belief that the previous Mayor spent so much money on these water cannons without first receiving permission.
"Rather than him investing in youth facilities and policing, it was a vanity project where taxpayers money was wasted, and what we've been able to do today is use the proceeds of the sale to invest in young people."
'Future of our city'
Mr Khan announced the funding at Spotlight in Poplar, a youth centre which provides music, dance, art and theatre programmes, which is one of 72 projects set to receive funding.
He said: "Young people, rather than having constructive things to do, are joining criminal gangs and think it's okay to pick up knives."
Asked about the spate of violent attacks across the capital this weekend, Khan said: "My message to Londoners, particular in Enfield, is to help the police carry out their investigations.
"I've met too many victims of violent crime, too many bereaved families, it's really important that we help the police when they carry out investigations."