Poland launches major border operation as activity in Russia fuels concern over possible "serious provocation"

• Additional police and counterterrorism units, as well as troops from the elite military special forces unit GROM, have been deployed as part of the operation, which national police chief Marek Boroń said would run from
• Category World Authors News Writer Soldiers of the Polish army carry barbed wire as they construct a barrier on along the border between Poland and Russia’s Kaliningrad exclave in Wisztyniec, Poland.
• Polish Prime Minister Donald Tusk stated that Polish and allied services had warned that acts of sabotage or more serious provoc