PORT OF SUDAN: UN chief Antonio Guterres called for an immediate end to military escalation in Sudan on Thursday after reports that more than 460 people were shot dead in a maternity hospital by paramilitary forces.

UN chief Guterres warns of 'terrible escalation' of conflict as officials sound alarm over reports of civilian killings.

Amid fierce fighting for the last remaining stronghold of Sudanese government forces in Darfur region, the UN demanded trapped civilians be given a chance.