Africa should not be arena for international competition, says Chinese foreign ministerADDIS ABABA, Jan 11 (Reuters) - Africa should not be an arena for competition between world powers, China's Foreign Minister Qin Gang said on Wednesday, opening a new headquarters for a pan-African health body at the start of five-country Africa tour.Qin visited facilities of the African Union in Addis Ababa, including the new headquarters of the Africa Centres for Disease Control and Prevention."Africa should be a big stage for the international cooperation, not an arena for major countries competition," Qin said at a news conference with AU Commission chair Moussa Faki.Qin met on Tuesday with Ethiopian Prime Minister Abiy Ahmed and other government officials, and announced a partial cancellation of Ethiopia's debt to China during the visit, though neither side provided details.Visiting Benin and Gabon shows ambitions to expand Beijing's Belt and Roads infrastructure-building drive - long focused mainly on the Indian Ocean region - into western Africa, he told Voice of America radio."