• Militants kill at least 11 in twin Norway attacks
• Norwegian Prime Minister calls crisis meeting
• EU condemns 'cowardice' of Oslo bomb blast
• Obama sends condolences to Norway and urges global anti-terror cooperation
• Britain sends condolences over 'horrific' Oslo bomb
• NATO condemns 'heinous' attacks in Norway
• Police fear explosives at site of Norway shootings
• Four shot dead at Norway ruling party meeting
• Attacks in Scandinavian countries since 1999

OSLO, July 22, 2011 (AFP) - Norwegian police said Friday that there could be explosives on the island just outside Oslo where a gunman disguised as a policeman opened fire on people at a youth meeting of the ruling Labour Party.

A senior officer said their fears were based on reports from people attending the youth meeting on Utoeya, an island just outside Oslo.

They also had good reason to believe that a deadly Oslo city centre bombing and the shooting were linked, said a spokesman.