After days of growing tensions, fighting broke out on Saturday between forces of Sudan's military and paramilitary. And, a Moscow court has sentenced Vladimir Kara-Murza, one of the Kremlin’s most outspoken critics, to 25 years in prison for treason. Also, southern Spain is looking to ancient irrigation methods to water a drought-stricken region. Plus, Arab Chilean singer Elyanna came to the famed music festival Coachella with a set entirely in Arabic.