"We are delighted to see the return of the Ambassadors to London St. Pancras International, to offer visitors arriving by Eurostar a warm welcome to London for the half term break. We were very impressed with the positive impact that this service had in our arrivals hall during Games time, and fully expect this pilot to be a tremendous success for us, for visitors to London and for the Ambassadors taking part."
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The abuse began as the train approached Northwood. The woman carried harassing her victim until the next station.
London mayor Boris Johnson delegated the final decision to a deputy after publicly supporting the project.
A man who fired at officers from the National Crime Agency has been convicted at the Old Bailey.