Aminur Nazir Khan, who's nineteen, will appear at Thames Magistrates' Court today.
He is charged with the murder of 16-year-old Ajmol Alom who died of a stab wound to his thigh.
Detectives have also arrested a second 19-year-old man on suspicion of murder.
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A cordon was put in place by emergency crews at the height of this morning's rush hour.
Angela Millington's remains were discovered by ramblers near Southend in Essex in 2014.
Angela Kelly and her daughters, 12-year-old Shanti Harbourne, and Maya-Rose Kelly-Johnson, five, were last seen in Camberley, Surrey.