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Germany spying: US envoy summoned after arrest

5 July 2014 Last updated at 04:19 BST

The German foreign ministry has summoned the American ambassador to ask for what it called a "swift clarification" following the arrest of a German man suspected of spying for the United States.

Local media says the suspect was an employee of Germany's foreign intelligence agency, who worked as a double agent for two years.

Emily Thomas reports.

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