An agreement for a cease-fire in South Sudan that was signed Friday barely made it into the new week before violence resumed in the seething conflict that has already left thousands dead and displaced more than 1.3 million people. A previous pact, signed in January, also failed almost immediately . As early as Monday, South Sudan’s minister of defense, Kuol Manyang, said there had been new fighting in Upper Nile State. On Wednesday, the government and the rebels accused each other of violating the short-lived accord. In an interview from Juba, South Sudan’s capital, Ateny Wek Ateny, a spokesman for President Salva Kiir, said the government had been attacked by the rebels, led by Riek Machar, the former vice president under Mr. Kiir. Yohanis Musa Pouk, a spokesman for Mr. Machar, asserted that Mr. Kiir had violated the cease-fire to avoid the establishment of an […]