Police who uncovered what's thought to be the biggest cannabis factory in Kent have released an image of a man they are trying to find.
The multi-million pound factory was uncovered in a derelict building in West Hill, Dartford in August. Detectives are trying to track down Stefan Nardi.
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The eagle-eyed resident spotted the mistake on signs just feet apart in south London.
The victim was attacked after bumping into a man at the ticket barrier at Putney Station.
The victim, who is his 40s, was found near the edge of palace grounds.