A new series of maps have been published showing the dramatic changes in London's population density. The maps have been compiled using census data from 2001 and 2011. The brighter the colour, the greater the change.
Taker a look at an interactive version of the map here.
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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.
London and the worlds has united on Twitter in defiance of the West minster attack #prayforlondon #wearenotafraid