Poland launches major border operation as activity in Russia fuels concern over possible "serious provocation" - CBS News
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Poland launches major border operation as activity in Russia fuels concern over possible "serious provocation" CBS News Tusk says Poland thwarted possible provocation on Kaliningrad border overnight ABC News - Breaking News, Latest News and Videos Poland Beefs Up Security at Border With Russia The New York Times Poland launches operation along Russian border in response to reports of planned sabotage Notes From Poland Premier Tusk Says Poland Foiled Possible Provocation at Russia Border Bloomberg.com