Police opened fire on the gang during a high speed chase through London.
It all started in 2015, when three girls went missing from a school in east London.
A temporary exhibition has been launched in East London dedicated to extraordinary dogs. The gallery, organised by Facebook Watch, marks the launch of the "World's Most Amazing Dog" global competition.
Police officers and an air ambulance were at the scene on Wednesday afternoon.
The 14-year-old died after the “barbaric” attack in Leyton, east London.
Police were called to an address in east London at around 4pm on Friday, where she was pronounced dead shortly after.
The teenager’s sister said she fears he will become another knife-crime “statistic”.
A man has been arrested on suspicion of GBH.