Boris Johnson has travelled to Northern Ireland today to officially open a factory for the new routemaster-style buses.
The production line in Antrim produces the chassis for the buses.
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The painting, entitled 'Beautiful Beautiful George Michael Love Painting', was auctioned to help raise funds for HIV and Aids prevention.
The 38-year-old victim was standing on a busy Victoria Line train when another passenger approached him.
The boy, called Roman, told police call handler his mum "is dead" and "she's closing her eyes and not breathing".