Boris Johnson, in the lead up to the London mayoral elections, announced his plan to publish "New York-style" crime maps of London, which have just gone online.

BBC: Will crime maps work?

About 40 of Gary's new-style paintings will go on display at the Affordable Art Fair at London's Battersea Park from 21-24 October.

BBC: NEWS | Health | Cancer patient's artistic escape

City Style gives a solid rundown of each unique fashion universe in New York, Paris, Milan, London, Tokyo, Stockholm, Sydney and Los Angeles.

FORBES: Luxe Read: City Style - A Field Guide to Global Fashion Capitals

The new databases will cover all areas of interest, for example the website Style Scout - a fashion blog documenting London Street Fashion - will give historians a snapshot of what people were wearing in 2013.

BBC: Libraries to store all UK web content