Kigali — Sudan's President Omar al-Bashir arrived in Rwanda on Saturday to attend a summit of African leaders, defying an international warrant for his arrest after public assurances from Rwandan leaders that he would not be arrested.The African Union summit on Sunday is expected to discuss the continent's uneasy relationship with the International Criminal Court, which some say unfairly targets Africans.Ahead of the summit, some African countries renewed efforts to quit the ICC en masse despite the opposition of some countries like Botswana. Nigeria, Senegal and Ivory Coast have been pushing back as well in recent days.Ugandan President Yoweri Museveni has led growing criticism of the ICC, calling it "useless" during his inauguration in May, an event that al-Bashir attended.Some countries want a separate African court with jurisdiction over rights abuses."Withdrawal from ICC is entirely within the sovereignty of a particular state," Joseph Chilengi, an AU official, told reporters Saturday.Al-Bashir is wanted by the ICC for alleged atrocities in the country's Darfur region.Rwandan Foreign Minister Louise Mushikiwabo said this week that Rwanda would not arrest him."Africa doesn't support criminals, but when justice is involved with a lot of politics we take a pause to separate the two," Mushikiwabo told reporters. Although Rwanda has not ratified the Rome Statute that is the basis for the ICC, it handed over suspected war criminal Bosco Ntaganda of Congo to the court in 2013.The African Union summit also will discuss South Sudan, where clashing army factions raised concerns of a return to civil war. The chaos threatens a peace deal signed last August between President Salva Kiir and rebel leader Riek Machar.United Nations chief Ban Ki-moon, who is attending the summit, has called for an arms embargo.