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Thursday started with police officers surrounding protesters at the eco-camp set up near Stirling.

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Officers looking for weapons searched activists at the camp.

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Events at the G8 Gleneagles summit were overtaken as news of devastating bomb blasts in London filtered through.

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Prime Minister Tony Blair was flanked by world leaders as he made a statement on the bombs.

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Mr Blair talked of his "determination to defend our values and our way of life".

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US President George Bush said the war on terrorism "goes on".

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Passing summit responsibilities to Foreign Secretary Jack Straw, the prime minister returned temporarily London to assess the situation.

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Meanwhile, a suspect package on board a bus in Edinburgh was destroyed in a controlled explosion.

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When the prime minister returned to Gleneagles flags were flying at half mast as a mark of respect to the victims of the bomb blasts.