New Delhi, Oct. 24 -- The Ukrainian, identified only as Vadym Y. under German privacy rules, is accused of gathering military information for Russia, including details about arms production and personnel and military facilities involved in securing NATO's eastern flank, federal prosecutors said.

The man is believed to have been in contact with a Russian intelligence service through an intermediary since at least July 2025. Some of the information he collected was from public sources, prosecutors said, but other data was solicited from representatives of the European arms industry.

He was arrested in Brandenburg state in northeast Germany by the federal criminal police, prosecutors said.

"It is a success today that this case was uncover...