Conman Rakesh Bhayani has been jailed for life with a minimum term of 27 years for murdering wealthy Carole Waugh, dumping her body in a car and spending her money.
Police described Bhayani as "a confidence trickster who murdered her with the sole intention of stripping her assets and the belongings she had worked hard for".
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The 20-year-old was found fatally wounded on Roth Walk, near Finsbury Park, north London at around 3am on Saturday, Scotland Yard said.
Police have arrested a man wanted in connection with a burglary at the home of pensioner Richard Osborn-Brooks.
The rally comes after it emerged that the Home Office destroyed thousands of landing cards documenting the arrival of windrush-era migrants