German police arrested Ukrainian citizen Vadim Y. in the state of Brandenburg on suspicion of spying for Russia. The Brandenburg public prosecutor’s office confirmed the arrest. He is suspected of having been in contact with an unnamed Russian intelligence service since July 2025 and of passing defence-related information through an intermediary.

The allegations include sharing information on the production of armoured vehicles, ammunition and explosives, and monitoring military installations on NATO’s eastern flank. His age and place of residence have not been disclosed.