The World Health Organization has warned of a “huge biological risk” after one of the warring parties in Sudan occupied the central public health laboratory in the capital Khartoum, as Western and Asian nations raced to mount rapid evacuation efforts from the country and violence punctured a fragile US-brokered ceasefire. The armed forces said the paramilitary Rapid Support Forces (RSF) were moving military convoys to the capital in order to carry out a large scale military operation, had deployed snipers in parts of Khartoum, and were conducting operations near embassies. ”When asked if the US has provided any incentives to dissuade the ceasefire from breaking down, Kirby told CNN’s Wolf Blitzer, “We have made it very clear that they are responsible for the lives and livelihoods not only of the Sudanese people, but all the foreign nationals that are in Khartoum and in Sudan today, that they will bear that responsibility