This information leaked out to the villagers who began defence preparations , although many inhabitants did not believe that the UIA was a threat .
On May 2 , the Ukrainian Insurgent Army ( UIA ) planned to attack the Polish village .
This information leaked out to the villagers who began defence preparations , although many inhabitants did not believe that the UIA was a threat .
On May 2 , the Ukrainian Insurgent Army ( UIA ) planned to attack the Polish village .