Emergency services at the government headquarters in Oslo
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Oslo: Bomb blast near Norway prime minister's office

22 July 2011 Last updated at 16:41 BST

A large bomb blast has hit near government headquarters in the Norwegian capital Oslo, reportedly killing seven people.

The offices of Norwegian Prime Minister Jens Stoltenberg were damaged extensively - a government spokeswoman said he was safe.

The BBC's Emma Jane Kirby reports.