A body has been found near Eltham train station, reportedly in a skip. Speaking to ITV News, the British Transport Police said:
A body was found at around 10:30 this morning near a car park in Eltham. The London Ambulance Service was called, but the man was pronounced dead at the scene.
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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.