Transport for London says that the contactless card payment scheme will be rolled out on the Docklands Light Railway, London Overground, tube and trams by the end of 2013.
Discussions are also underway with London's train companies about accepting contactless payment cards on National Rail services where Oyster is currently accepted.
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The Goldsmith's University Student, who doesn't want to be named, was assaulted as she crossed the road in Tottenham, north London.
The toddler was taken to hospital along with two girls, aged five and six, and a woman who was also injured.
London's smallest pub is set to start pulling its first pints in a shed in Greenwich.