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 engineering projects will hamper the plans of many people hoping to take advantage of the four-day weekend.
Local media said the location of the crash was among the most dangerous junctions in the region.
London has welcomed in the Chinese New Year in style with the biggest party outside of Asia.