A teenager is due to appear in court today charged with the murder of 17-year-old Kwame Ofosu-Asare.
Kwame was found with fatal stab wounds in Adelaide Close on the Moorlands Estate in Brixton, south London, during evening rush-hour on March 2.
A 17-year-old boy from Camberwell will appear in custody at Croydon Magistrates' Court.
Eighteen-year-old Nathaniel Okusanya from Lambeth, London appeared at the same court on Monday charged with the murder.
He was remanded in custody and will appear at the Old Bailey for a plea and case management hearing on July 9.
More top news
Police have released an e-fit of a man suspected of attacking her.
The force has been tweeting after carrying out a series of dawn raids.
Adenike Akingbogun made the dangerous manoeuvre after ignoring the crossing lights and driving onto the tracks.