The girlfriend of a murdered student has recalled how she rang his mobile phone and a police officer told her he'd been stabbed. Claire Smith was waiting to meet Samuel Guidera on the night he was attacked near Penge East Station in South-East London.
That was two years ago, and despite a £20,000 reward being offered for information, his murder remains unsolved. Claire has spoken publicly for the first time, as she joined a new appeal to catch Samuel's killer. Ronke Phillips reports.
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Police were called to Kilburn High Road at 5.20pm after reports of a shooting.
In just 24 hours the offer was retweeted more than a thousand times on Twitter.
What a year it's been full of ups and down, turmoil and change and it seems events here in London have got the entire nation talking.