Sudanese authorities and a Darfur rebel group that signed a peace agreement with the government clashed Thursday in an affluent neighborhood of the country’s capital, the head of the U.N. in Sudan said. Tensions between Sudanese authorities and the rebel faction, whose leader joined the government after signing the Darfur peace agreement in May, degenerated into an open shootout Thursday afternoon, said the U.N. chief envoy to Sudan, Jan Pronk. Full Story