Transport minister Norman Baker has announced that a main London commuter route will be chosen to trial part-time season tickets.
Speaking at the LibDem conference in Glasgow, he said it was unfair that those who work five days a week should benefit from cheaper travel than part-time workers.
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The 34-year-old from Coulsdon in Surrey died during the private party in Headley in the early hours of Monday, Surrey Police said.
The Home Office made the arrests at various restaurants across London on July 4.
Mayor of Newham Sir Robin Wales criticised the International Olympic Committee on the fourth anniversary of the opening ceremony.