The surprise was great when Poland’s President Andrzej Duda and his Ukrainian counterpart Volodymyr Zelenskyy arrived at the Catholic cathedral in Lutsk in northwestern Ukraine on Sunday. Their appearance there had not been publicized in advance.
The two heads of state participated in an ecumenical service to commemorate the victims of the Volhynia massacre 80 years ago, when Ukrainian nationalists slaughtered Polish civilians during the Second World War.
“Together we pay tribute to all…