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An investigation into a racist attack on three black women has been reopened by the Metropolitan Police.

For nearly two weeks after the attack officers failed to recover CCTV or take witness statements, even from the victims, Â鶹ԼÅÄ Newsnight found.

The three women say the police made racist assumptions about them and that hampered the investigation.

The Met denies this but has apologised for failing the women and said it was reviewing its work.

The force told the women it had closed the probe into the crime in April, but reopened it this month following Newsnight's investigation.

Newsnight Correspondent Richard Watson reports.