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Sweden’s foreign minister Carl Bildt is not happy about WikiLeaks' unleash of US cables detailing a wide array of potentially explosive diplomatic episodes. He warns it will hurt global diplomatic environment, something that is not in Swedish interest.

“The intention behind this publication cannot have been anything other than to damage American diplomacy, although the effect with really be to damage diplomacy in general”, he wrote on his blog.

Over 800 secret American documents about relations with Sweden have been released by WikiLeaks, according to Swedish tabloid Expressen.

It goes without saying, Carl Bildt argue, that we need diplomacy. Sometime has to be classified. He also points out that the cables are the work of individual diplomats and are not official statements.

'We need confidential communication channels between different governments at critical moments, in order to tackle crises or different situations,' Bildt told Swedish Radio.

'If it is not possible to do that, it results in 'megaphone diplomacy' and from experience we know that can lead to more conflicts and more problems,' he added.

The cables describe the bazaar-like bargaining over the repatriation of Guantanamo Bay detainees, a Chinese government bid to hack into Google, and quote Saudi King Abdullah as saying the United States should strike Iran to halt its nuclear program, telling it to "cut off the head of the snake."

Carl Bildt said US diplomats had contacted Sweden ahead of to the WikiLeaks publication but had not offered specific details other than that the release was 'harmful'.

The magazine Foreign Policy has ranked Carl Bildt among the world’s most important thinkers “for telling Europe what it doesn't want to hear”.