German defence minister Boris Pistorius said an investigation into Russia’s intercept of a high-level military call on Ukraine had revealed that one of the participants had joined via a non-secure line.
Pistorius ruled out the possibility that a Russian spy had taken part in the conversation. “Our communication systems were not compromised,” he said.
“The reason the air force call could nonetheless be recorded was because of a mistake an individual made with the application,” he added.
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