Police have carried out a series of raids, ahead of this weekend's Notting Hill Carnival, in an attempt to combat potential trouble makers. One hundred and twelve people have been arrested for offences including robbery, theft and drugs possession.
Officers have also seized several firearms, £4, 000 in cash and a Porshe. The focus has been to target gangs and other criminals intent on causing trouble at the carnival.
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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.