Greater Manchester Police have launched a murder inquiry into the death off-duty officer Pc Gareth Francis, who died after being assaulted in Edgeley, Stockport.
Two men have been arrested on suspicion of his murder.
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We spring forward an hour at 1am on Sunday, to mark the start of British Summer Time.
A Sunday Times poll suggests Labour are "on course for Downing Street" as Ed Miliband's approval rating jumps following a TV grilling.
Major landmarks including London's Tower Bridge, Paris' Eiffel Tower and Germany's Brandenburg Gate switched off their lights for an hour.