United Nations Secretary General Ban Ki-moon (R) talks to African Union (AU) Force Commander General Martin Agwai of Nigeria during his visit to the the north Darfur capital of El Fasher September 5, 2007. Ban told journalists he would push for progress in peace talks between the Sudanese government and rebel groups, while laying the ground for deployment of a 26,000-strong "hybrid" force of U.N. and African Union peacekeepers. REUTERS/ Zohra Bensemra (SUDAN)