Poland's Defense Minister Władysław Kosiniak-Kamysz has ordered urgent communication with the Ukrainian attaché in Warsaw following an incident involving Ukrainian troops placing flags of the Ukrainian Insurgent Army (UPA) on Polish Rosomak armored vehicles sent to support Ukraine's military efforts. Kosiniak-Kamysz termed the act as a provocation. "The display of UPA flags on Rosomak armored personnel carriers supplied by Poland to the Ukrainian army is an unacceptable provocation," he stated