The issue of Polish victims of Second World War massacres involving Ukrainian nationalists is a long-standing source of tension between the countries.

Polish experts are indignant at Zelensky's answer to the question about the exhumation of the victims of the Volyn massacre on Ukraine.

President Volodymyr Zelensky will travel to Poland on Jan 15 to meet with Prime Minister Donald Tusk, Reuters reported, after a “breakthrough” agreement was reached between the two countries in a long-running dispute over World War II exhumations.

Ukrainian President Volodymyr Zelenskyy is visiting Poland after the two countries reached an agreement on a longstanding source of tensions between them: the exhumation of Polish victims of World War

The office of Polish Prime Minister Donald Tusk said early Wednesday he would welcome Zelenskyy in the late morning, and that the two would hold a joint news conference shortly after noon local time.

His visit marks a significant breakthrough in the countries' long-standing historical dispute. Read also: Polish Defense Minister accuses Ukrainians of ‘short memory’ over Zelenskyy’s criticism It comes after Ukraine agreed to allow the first exhumations of victims — an issue that has been a point of contention between the two countries for