Berlin’s chief public prosecutor has extended an investigation into the release of a trove of documents by WikiLeaks to include the chancellery as well as the Bundestag lower house of parliament, broadcaster NDR said on Thursday.

Last December, WikiLeaks released the confidential documents, which German security agencies had submitted to a parliamentary committee investigating the extent to which German spies helped the U.S. National Security Agency (NSA) to spy in Europe.

The extension of the investigation to include the chancellery did not necessarily mean the Berlin public prosecutor had firm suspicions that individuals at Chancellor Angela Merkel’s office were involved in the leak, NDR said.


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