At least one person was killed when a driverless freight train carrying crude oil derailed and exploded in the middle of the Canadian town of Lac-Megantic, police have said.
Police spokesman Michel Brunet did not answer when asked how many people were still missing after the blast, which devastated a large part of the town centre.
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The Duke and Duchess of Cambridge met young people who have battled mental health issues on Saturday.
Former Chancellor Lord Geoffrey Howe was Margaret Thatcher's longest-serving Cabinet minister, also taking on the role of Foreign Secretary.
Lord Geoffrey Howe is known by many for his resignation speech which was seen as the catalyst which destroyed Margaret Thatcher.