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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Five people were stabbed and more than 450 arrested during the Notting Hill Carnival.
Thousands more partygoers headed to the second and final day of the Notting Hill Carnival.
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