US embassies in the Muslim world were on high alert Friday following days of violent protests against an anti-Islam film. Germany, too, closed several embassies in fear of attacks. Some German commentators argue that the violence shows that Obama's Middle East policies have failed.

After days of protests over an anti-Islam film, American diplomatic missions in the Middle East and North Africa were braced for further violence after Friday prayers. The US put its overseas missions on high alert.

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