Clashes between rival Arab tribes in western Sudan's Kordofan region killed almost 250 people over two days earlier this week, including 75 policemen, Sudan's interior minister said.

Sudan's president made his sixth foreign trip since his indictment on charges of war crimes in Darfur, traveling Tuesday to Ethiopia despite the international warrant for his arrest.

Sudan's president, who is charged by an international court for war crimes, has slammed the U.N. Security Council and accused it of corruption.