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Zimbabwe's justice minister says his country will back any calls for African nations to break ties with the International Criminal Court at the continentwide African Union summit this weekend in Ethiopia.

Justice Minister Emmerson Mnangagwa on Thursday accused the ICC of humiliating African leaders by targeting them to answer to charges of crimes against humanity, while letting off Western leaders over conflicts in Iraq and Libya.

He said Zimbabwe wants African countries to "stand up and stamp their authority" against ICC bias.

Zimbabwe has signed the Rome Treaty recognizing the ICC, but has not ratified it under domestic law.

Kenya's presidency faces allegations of inciting killings after violent and disputed elections in that country in 2008.

Mnangagwa said former U.S. President George W. Bush should be summoned to The Hague.