Two teenagers have been given life terms for murdering an innocent schoolboy.
Kwame Ofosu-Asare, 17, was mistaken for a rival in a "poisonous and senseless" gang war.
He was knifed to death in broad daylight while he was walking with a friend through the Moorlands Estate in Brixton, in March.
Nelson Idiabeta, 18, of no fixed address, and Nathaniel Okusanya, 19, of Vibart Gardens, Lambeth, south London, were found guilty of murder.
Sentencing them at the Old Bailey, Judge Richard Marks ordered that Idiabeta serve a minimum term of 19 years and Okusanya, 20 years.
It was Kwame's misfortune to be in the wrong place at the wrong time.
Neither of you has shown one iota of remorse for what you did.
More top news
He told her "If you don't be quiet I will kill you" before stealing a bangle and rings from her hand.
One of the alleged kidnappers of model Chloe Ayling is fighting extradition as his lawyer claims the entire case could be a "sham".
Uber's chief executive Dara Khosrowshahi said the company "got things wrong".