Edited sentence: His organization, the Organization of Ukrainian Nationalists, was involved in a Massacres of Poles in Volhynia, and in early 1944, ethnic cleanings also spread to Eastern Galicia.It is estimated that more than 35,000 and up to 60,000[62] Poles, mostly women and children along with unarmed men, were killed during the spring and summer campaign of 1943 in Volhynia, and up to 100,000 if other regions (Eastern Galicia) are included.Stepan Bandera was a far right Ukranian Nationalist during WW2.The idolisation of Stepan Bandera as a national hero is one of the major political sticking points between the peoples of traditionally pro-Russian parts of Ukraine, such as the Donbass and Crimea, who see him and his supporters as no less than Nazis, and the nationalist movements in Ukraine, who helped turn the Maidan protests into a full scale revolution.[63][64]