A kitten, thought to be around four weeks old, is being looked after by the Blue Cross charity after being found on Monday on an Underground train. The cat, who has been named Victoria, had to be cleaned up because she was covered in a sticky substance.
She will now be transferred to the charity's rehoming centre in Oxfordshire.
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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.