SUDAN, Khartoum – Heavy gunfire shattered a 24-hour truce deal in Sudan on Tuesday shortly after it was due to take effect under U.S. pressure on warring military factions to pause fighting that has touched off a humanitarian crisis. Loud shooting reverberated in the background of live feeds by Arab television news channels in the Khartoum capital region minutes after the agreed 6 p.m. (1600 GMT)…
