Sudanese civilians are living in “sheer terror” due to the “ruthless, senseless conflict” that is upending the country and posing a risk to regional peace, the UN rights chief said Friday. Volker Turk said the crisis in Sudan was marked by an insidious disregard for human life. Fighting that broke out in April last year between Sudan’s army chief Abdel Fattah al-Burhan and Mohamed Hamdan Daglo, his former deputy and commander of the paramilitary Rapid Support Forces. The conflict has killed thousands and sparked a humanitarian disaster. Around 25 million people – more than half the population …