Attila Bann says he can't remember what triggered him to stab his colleagues - or even stabbing them. @londontonight
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An investigation has begun after a teenager was stabbed in south London.
A dramatic blaze which tore through a building site in London's West End, prompting fears of an explosion, has been brought under control.
Childhood pursuits such as climbing trees or flying kites in public parks could soon attract hefty fines in one London borough.