JUBA/ADDIS ABABA - Gunshots rang out in South Sudan's capital, Juba, for about an hour on Sunday as peace talks between rebels and the government to hammer out a ceasefire deal faced further delay in neighbouring Ethiopia. The gunfire came from the direction of the military headquarters of the SPLA government forces, towards the northern outskirts of the city. It was not clear who was involved. Three weeks of fighting, which began in Juba but spread beyond, often along ethnic faultlines, have killed more than a thousand people, forced a cut in oil output...