Both that wall and the fence with Kaliningrad “convey a strong message to Minsk and Moscow that Poland takes the security and integrity of its borders extremely seriously," Zaryn said.
A 'barbed wire curtain' rises in Europe amid war in Ukraine
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A Polish government security official, Stanislaw Zaryn, said the leak could be the result of an accident, but that officials were still investigating and were looking at all possible explanations.
Leak detected in pipeline that brings Russian oil to Germany
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