WARSAW, Poland, Jumada II 21, 1437, March 30, 2016, SPA -- Poland's defense minister has set off the 100-day countdown until the NATO summit in Warsaw which the government wants to seal greater security guarantees for Poland and the region concerned over an increasingly aggressive Russia, according to AP. Antoni Macierewicz on Wednesday started a countdown screen clock in front of a Defense Ministry building in downtown Warsaw. He will host the July 8-9 summit that will be attended by President Barack Obama and other leaders. Meanwhile, the Pentagon on Wednesday announced plans to deploy an armored brigade combat team to Eastern Europe next February as part of the effort to reassure alliance members in the region. --SPA 22:25 LOCAL TIME 19:25 GMT www.spa.gov.sa/w