Cyclone Idai lashed the Mozambican port city of Beira with winds of up to 170km/h last week, then moved inland to Zimbabwe and Malawi, swamping populations and devastating homes.

Mozambique's death toll rose to 417 from 242, Land and Environment Minister Celso Correia said.

The storm has also killed 259 in Zimbabwe, while in Malawi 56 people died in heavy rains ahead of the cyclone.

In all three countries, survivors have been digging through rubble to search for victims, and scrambling for shelter, food and water, while governments and aid agencies rush in help.

"All our food got wet, we didn't know where to go with the children. We don't have anything," said Mimi Manuel, a 26-year-old mother of four who lost her home and was sitting on the floor of a makeshift shelter in a primary school in Beira.

"When it all started, people started screaming," survivor Dina Fiegado (18) said, describing how sheet roofs blew off and rough walls collapsed in the sea-edge community of Praia Nova, where residents said about 50 people died.

"Some people tried to escape, some people tried to stay at home."

The Mozambican minister said some 1,500 people were in need of immediate rescue from rooftops and trees. Helicopters and boats have been carrying people to safety.

The United Nations' humanitarian office warned that more flooding may come as heavy rains inland poured into the low-lying Beira area and nearby dams filled up threatening to burst the Buzi and Pungwe rivers again.

"We're going to have to wait until the flood waters recede until we know the full expanse of the toll on the people of Mozambique," said UN Office for the Coordination of Humanitarian Affairs (OCHA) coordinator Sebastian Rhodes Stampa.

Some cholera cases have been reported. Left with nothing, many survivors were fretting for their future, while others mourned losses.



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