CCTV pictures have also been released of Samuel Guidera visiting a corner shop before he was stabbed.
After leaving the store, he walked towards the bus stop on Newlands Park, where he was attacked.
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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
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