South Sudan imposes curfew to curb violence targeting Sudanese traders - South Sudan imposes nationwide overnight curfew to curb violence targeting Sudanese traders - World News in Brief: Communal violence in South Sudan, Syria and Gaza updates - Hundreds of people in Sudan have been killed in a surge of violence in the past week - Sexual violence in Sudan: 'There needs to be consequences,' HRW says - Head of UN-backed team of experts cites paramilitary force in Sudan for sexual violence as war rages - Sexual violence in war-torn Sudan on 'staggering' scale, UN probe finds - HRW alarmed by rampant sexual violence in war-torn Sudan capital