The UN is stepping up calls for help in Mozambique as aid agencies struggle to assist tens of thousands of people battered by one of southern Africa's most powerful cyclones.
A week after Tropical Cyclone Idai lashed Mozambique with winds of nearly 200 kilometres (120 miles) per hour, survivors are struggling in desperate conditions -- some still trapped on roof tops and those saved needing foods and facing the risk of outbreaks of disease such as cholera.