Rashad Sultanov, a dual British and Azerbaijani citizen, was arrested after accusations he surveilled the military installation, a hub for Mideast operations, and shared the details with the Revolutionary Guards.

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The assailant, a German citizen, was imprisoned after trying to join the Islamic State but freed weeks before attacking a gay Pride event in Berlin.

© Ebrahim Noroozi/Associated Press

The military intelligence officer left the country after The Times reported that he was using the Aeroflot airline office in Tokyo to conduct espionage.

© Chang W. Lee/The New York Times

The designation gives the government additional national security powers to tackle foreign threats under a new law.

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