Lord Coe, the organiser of London 2012, has demanded more compulsory sport in schools to capitalise on the enthusiasm generated by the Olympics and to stop Britain's stunning successes from being a flash in the pan, reports the Independent.
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The world's first ever 'hole in the wall' was installed in Enfield, north London, on June 27 1967.
America says it has "identified preparations" for an attack similar to that which killed at least 86, including 30 children, in April.