The Metropolitan Police has issued a new picture of PC Andrew Duncan, who died following a suspected hit-and-run collision in Sutton.
A further two men have been arrested in connection with the crash, after another was remanded in custody accused of causing death by dangerous driving.
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The rally comes after it emerged that the Home Office destroyed thousands of landing cards documenting the arrival of windrush-era migrants
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John Tomlin is convicted of two counts of inflicting grievous bodily harm with intent for throwing acid on Resham Khan and Jameel Muhktar.