People run after collecting food aid from a South African National Defence Force (SANDF) helicopter in the aftermath of Cyclone Idai in Nhamatanda village, near Beira, Mozambique, March 26, 2019. REUTERS/Siphiwe Sibeko TPX IMAGES OF THE DAY

School children and a man carrying food aid cross a river after Cyclone Idai at Coppa business centre in Chipinge, Zimbabwe, March 26,2019. REUTERS/Philimon Bulawayo

A survivor of cyclone Idai, Naome Nyakudyara, who is the mother of three children, prepares a meal at her home at Coppa business centre in Chipinge, Zimbabwe, March 26, 2019. REUTERS/Philimon Bulawayo TPX IMAGES OF THE DAY

People look on as they wait for food aid in the aftermath of Cyclone Idai in Guara Guara village, near Beira, Mozambique, March 26, 2019. REUTERS/Siphiwe Sibeko

Patients await treatment at a hospital that had roofing blown off during Cyclone Idai in Beira, Mozambique, March 26, 2019. REUTERS/Mike Hutchings

People wait for food aid in the aftermath of Cyclone Idai in Guara Guara village, near Beira, Mozambique, March 26, 2019. Picture taken through a window. REUTERS/Siphiwe Sibeko

Survivors of cyclone Idai are seen through a destroyed building as they gather to receive aid at Coppa business center in Chipinge, Zimbabwe, March 25, 2019. Picture taken March 25, 2019. REUTERS/Philimon Bulawayo

Survivors of cyclone Idai cross a temporary foot bridge to receive aid at Coppa business centre in Chipinge, Zimbabwe, March 25, 2019. Pictutre taken Mach 25, 2019. REUTERS/Philimon Bulawayo

A man runs to a house after collecting food aid from a South African National Defence Force (SANDF) helicopter in the aftermath of Cyclone Idai in Nhamatanda village, near Beira, Mozambique, March 26, 2019. REUTERS/Siphiwe Sibeko

Survivors of cyclone Idai cross a temporary bridge as they arrive at Coppa business centre to receive aid in Chipinge, Zimbabwe, March 26, 2019. REUTERS/Philimon Bulawayo

Patients await treatment at a hospital that had roofing blown off during Cyclone Idai in Beira, Mozambique, March 26, 2019. REUTERS/Mike Hutchings

Workers offload food aid from a South African National Defence Force helicopter in the aftermath of Cyclone Idai in Buzi, near Beira, Mozambique, March 25, 2019. REUTERS/Mike Hutchings

Evacuees from Buzi vilage carry their belongings as they leave a school that was used as a displacement center, after Cyclone Idai, in Beira, Mozambique, March 25, 2019. REUTERS/Siphiwe Sibeko

Workers wait to distribute aid as flood waters begin to recede in the aftermath of Cyclone Idai, in Buzi near Beira, Mozambique, March 24, 2019. REUTERS/Mike Hutchings

Locals leave after receiving food parcels handed out by an aid organisation after Cyclone Idai, near Dondo village outside Beira, Mozambique, March 24, 2019. REUTERS/Siphiwe Sibeko

John Manake, a parent and volunteer helps children to cross a temporary foot bridge, in the aftermath of Cyclone Idai, as they make their way to Pagomo primary school in Chipinge, Zimbabwe March 25, 2019. REUTERS/Philimon Bulawayo

Women cross a temporary foot bridge as they carry charcoal for use as fuel, after Cyclone Idai, in Chipinge, Zimbabwe March 25,2019. REUTERS/Philimon Bulawayo

People stand on the banks where the bridge was washed away, in the aftermath of Cyclone Idai, near the village of John Segredo, Mozambique March 24, 2019. Picture taken March 24, 2019. REUTERS/Mike Hutchings

Evacuees from Buzi village carry their belongings as they arrive at the displacement center near the airport, after Cyclone Idai, in Beira, Mozambique, March 25, 2019. REUTERS/Siphiwe Sibeko

Congregants pray outside during a service after their church was destroyed by Cyclone Idai, in Beira, Mozambique, March 24, 2019. REUTERS/Siphiwe Sibeko TPX IMAGES OF THE DAY

Trucks queue beside damaged buildings outside the port in the aftermath of Cyclone Idai, in Beira, Mozambique March 24, 2019. REUTERS/Mike Hutchings

People walk past fallen crops as flood waters begin to recede in the aftermath of Cyclone Idai, in Buzi near Beira, Mozambique March 24, 2019. REUTERS/Mike Hutchings

People walk past fallen palm trees as flood waters begin to recede in the aftermath of Cyclone Idai, in Buzi near Beira, Mozambique March 24, 2019. REUTERS/Mike Hutchings

Aid workers offload maize meal for victims of Cyclone Idai at Siverstream Estates in Chipinge, Zimbabwe March 24, 2019. REUTERS/Philimon Bulawayo

A man uses a chainsaw to cut away debris as flood waters begin to recede in the aftermath of Cyclone Idai, in Buzi near Beira, Mozambique, March 24, 2019. REUTERS/Mike Hutchings

An aerial view of the Umvumvu river after cyclone Idai hit Chimanimani, Zimbabwe, March 24, 2019. REUTERS/Philimon Bulawayo

Workers wait to distribute aid as flood waters begin to recede in the aftermath of Cyclone Idai, in Buzi near Beira, Mozambique, March 24, 2019. REUTERS/Mike Hutchings

A child draws water as flood waters begin to recede in the aftermath of Cyclone Idai, in Buzi near Beira, Mozambique March 24, 2019. REUTERS/Mike Hutchings

A child walks past debris as flood waters begin to recede in the aftermath of Cyclone Idai, in Buzi near Beira, Mozambique March 24, 2019. REUTERS/Mike Hutchings TPX IMAGES OF THE DAY

A woman walks past a damaged building as waters begin to recede in the aftermath of Cyclone Idai, in Buzi near Beira, Mozambique, March 24, 2019. REUTERS/Mike Hutchings

A woman dries rice salvaged as flood waters begin to recede in the aftermath of Cyclone Idai, in Buzi near Beira, Mozambique, March 24, 2019. REUTERS/Mike Hutchings

A man piles up metal ripped from damaged buildings as clean up efforts proceed in the aftermath of Cyclone Idai in Beira, Mozambique, March 23, 2019. REUTERS/Mike Hutchings

Children sit amongst storm debris left in the aftermath of Cyclone Idai, in Beira, Mozambique March 23, 2019. REUTERS/Siphiwe Sibeko

Family members of Sumba Mufusho, who died after surviving for two days sheltering in a tree in the aftermath of Cyclone Idai react in the car after collecting her body at a morgue, in Beira, Mozambique, March 23, 2019. REUTERS/Siphiwe Sibeko

A woman stands besides a car that was swept away with debris by Cyclone Idai in Chimanimani, Zimbabwe, March 23,2019. REUTERS/Philimon Bulawayo TPX IMAGES OF THE DAY

A woman crosses the road with a baby on her back after Cyclone Idai in Beira, Mozambique, March 23, 2019. REUTERS/Siphiwe Sibeko TPX IMAGES OF THE DAY

A man carries his children after Cyclone Idai at Praia Nova, in Beira, Mozambique, March 23, 2019. REUTERS/Siphiwe Sibeko TPX IMAGES OF THE DAY

ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATH Relatives consol family members as they walk past the coffin of Sumba Mufusho, who died after surviving for two days sheltering in a tree in the aftermath of Cyclone Idai, in Beira, Mozambique, March 23, 2019. REUTERS/Siphiwe Sibeko TPX IMAGES OF THE DAY

Flooded buildings are seen in Beira, Mozambique, in the aftermath of Cyclone Idai, March 23, 2019. REUTERS/Mike Hutchings TPX IMAGES OF THE DAY

The graves of people killed during Cyclone Idai are seen in Chimanimani, Zimbabwe, March 23, 2019. REUTERS/Philimon Bulawayo

Survivors of Cyclone Idai eat food at a temporary shelter at a hotel in Chimanimani, Zimbabwe, March 23, 2019. REUTERS/Philimon Bulawayo TPX IMAGES OF THE DAY

Women and children await medical treatment at a camp for people displaced in flooding in the aftermath of Cyclone Idai, near Beira, Mozambique, March 23, 2019. REUTERS/Mike Hutchings

Flooded fields are seen in Beira, Mozambique, in the aftermath of Cyclone Idai, March 23, 2019. REUTERS/Mike Hutchings

People walk through floodwater near Beira, Mozambique, in the aftermath of Cyclone Idai, March 23, 2019. REUTERS/Mike Hutchings

A man looks on atop his house after Cyclone Idai in Buzi district outside Beira, Mozambique, March 22, 2019. REUTERS/Siphiwe Sibeko

Tents belonging to aid organisations are seen after Cyclone Idai at Guara Guara village outside Beira, Mozambique, March 22, 2019. REUTERS/Siphiwe Sibeko

Locals look on after Cyclone Idai in Buzi district outside Beira, Mozambique, March 22, 2019. REUTERS/Siphiwe Sibeko

A man waves near his flooded house after Cyclone Idai in Buzi district outside Beira, Mozambique, March 22, 2019. REUTERS/Siphiwe Sibeko

People smile as they receive food aid after Cyclone Idai from a helicopter drop at a distribution centre at Ngangu in Chimanimani, Zimbabwe, March 22, 2019. REUTERS/Philimon Bulawayo

Survivors of Cyclone Idai queue to collect food aid at Ngangu in Chimanimani, Zimbabwe, March 22, 2019. REUTERS/Philimon Bulawayo

A man collects tools and supplies as walks away from houses destroyed by Cyclone Idai in Chimanimani, Zimbabwe March 22, 2019. REUTERS/Philimon Bulawayo

Residents try to remove a boulder after it rolled down a hill into the house during Cyclone Idai in Chimanimani, Zimbabwe, March 22, 2019. REUTERS/Philimon Bulawayo

A stranded family starts a fire to cook on top of their home after Cyclone Idai, in Buzi district, outside Beira, Mozambique, March 21, 2019. REUTERS/Siphiwe Sibeko

A stranded family sits on top of their home after Cyclone Idai, in Buzi district, outside Beira, Mozambique, March 21, 2019. REUTERS/Siphiwe Sibeko

A child is transported on a fridge during floods after Cyclone Idai, in Buzi, outside Beira, Mozambique, March 21, 2019. REUTERS/Siphiwe Sibeko

A local paddles past a woman at her home during floods after Cyclone Idai, in Buzi district, outside Beira, Mozambique, March 21, 2019. REUTERS/Siphiwe Sibeko

Flooded homes are seen after Cyclone Idai in Buzi district outside Beira, Mozambique, March 21, 2019. REUTERS/Siphiwe Sibeko

A stranded family sits on top of their home after Cyclone Idai, in Buzi district, outside Beira, Mozambique, March 21, 2019. REUTERS/Siphiwe Sibeko

A child is transported on a fridge during floods after Cyclone Idai, in Buzi, outside Beira, Mozambique, March 21, 2019. REUTERS/Siphiwe Sibeko TPX IMAGES OF THE DAY

A child is transported on a fridge during floods after Cyclone Idai, in Buzi, outside Beira, Mozambique, March 21, 2019. REUTERS/Siphiwe Sibeko