Police have arrested a third suspect after a man in his thirties was found stabbed in the back in Poplar on Friday night. The victim later died in hospital. Yesterday two men were arrested. All three men remain in police custody. A post mortem will be carried out later today.
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Officers were given the touching letter at Brixton Station while they were on a reassurance patrol after yesterday's attack
The 52-year-old had previous convictions for violence but was not on the anti-terror watchlist.
In a statement Charlton Athletic said: Keith was a true hero who will be greatly missed by all the Charlton family and everyone at the club.