World News in Brief: Aid workers under threat, DR Congo food crisis, Niger floods

South Sudan and Sudan are the world’s most dangerous countries for aid workers today, the UN humanitarian affairs coordination office (OCHA) said on Friday. 

Yemen remains the world’s worst humanitarian crisis, and the situation for the millions of affected people is deteriorating, says the UN Office for the Coordination of Humanitarian Affairs (OCHA).

On the eve of World Humanitarian Day, the UN Humanitarian Coordinator in South Sudan, called on Thursday for joint action to address the aid crisis in the country and end attacks against civilians and humanitarian workers.