WARSAW — Poland’s president asked the government to ensure Israeli Prime Minister Benjamin Netanyahu can choose to attend the 80th anniversary of the liberation of the Auschwitz Nazi death camp without fear of arrest under an ICC warrant, a senior aide said on Thursday. The International Criminal Court issued arrest warrants in November for Netanyahu and his ex-defence minister, as well as a Hamas leader, Ibrahim Al-Masri, for alleged war crimes and crimes against humanity in the Gaza conflict between Israel and the Palestinian Islamist group. Israel has condemned the warrants for Netanyahu and former defence chief Yoav Gallant, saying...