London's Olympic Ambassadors are back on the streets in a pilot project at St Pancras Station.
The volunteer force will offer advice to visitors on how to get to attractions, restaurants and shopping areas.
But, as Rags Martel reports, they started with something a bit more dramatic.
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John Murphy, 31, smacked the Labour leader with an egg after he visited a mosque in his Islington North constituency.
Shepherd was sentenced to six years in jail in his absence for the manslaughter of Charlotte Brown.
The man was attacked as he opened Marsh Food and Wine in Pinner on Sunday morning.