Nick Clegg said the Liberal Democrats were not a party of protest, but a party of change. He told the Spring Conference that Lib Dems should "grapple" with the world and strive to make it better.
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The Queen has arrived at Royal Manchester Children's Hospital to meet victims of the suicide bombing at the city's arena.
Greater Manchester Police have deemed a suspicious package safe after bomb disposal units were dispatched to a road in Hulme.
Across the nation a minute's silence was observed at 11am to remember the victims of the Manchester Arena terror attack.