This was announced by Ukraine's Ambassador in the Republic of Poland Andrii Deshchytsia, Censor.NET reports citing Interfax-Ukraine
"We condemn any acts and calls that lead to ethnic strife and we will turn to the Polish official structures to investigate the incident," Deschytsia said.
The ambassador added that the Ukrainian side expects the reaction in this regard not only from the Polish authorities but also from civil society organizations.
Ukraine condemns the actions and calls to action in Poland that lead to hostility on ethnic grounds.
"Such provocations in the statements of one person can destroy the legacy of official and public work of Poland and Ukraine," the Ukrainian diplomat said.
Earlier, a nationalist march was held in Polish Przemyśl, a town next to Ukraine's border, the participants of which were deploying anti-Ukrainian slogans.