Germany’s former spy chief August Hanning was arrested this week for suspected espionage. Spiegel reported that Hanning had longstanding contacts with a former senior Chinese general named Wang Jianzheng. Prosecutors are investigating if Hanning shared confidential documents with foreign agents while working as an independent security consultant after his retirement.

BERLIN, Oct 9 (Reuters) - Germany's former spy chief August Hanning, who has been placed under arrest ​for suspected espionage, had longstanding contacts to ‌a former senior Chinese general, Spiegel magazine reported.

The magazine said Hanning, who left Germany's foreign intelligence service ​in 2005, had travelled to China ​several times, where he knew a former ⁠official who had served in China's embassy ​in formerly communist East Germany.

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It said the former ​major general, whom it identified as Wang Jianzheng, was an established expert in German-related issues and had translated ​a number of German books into Chinese.

Hanning ​was detained this week on suspicion of sharing information ‌from ⁠confidential documents provided by his former chief of staff with foreign intelligence agents. The alleged activities took place after his retirement, when he ​worked as ​an independent ⁠security consultant.

Prosecutors have not commented on what material they believe may ​have been shared or who it ​may ⁠have been shared with.

Hanning's lawyer did not immediately respond to requests for comment, but in ⁠a ​statement to Spiegel ]denied his client ​had damaged German interests and said he was being wrongfully ​prosecuted.