Race against time in Nepal as death toll tops 3,800 - in pictures

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  Nepalese rescuers carry an injured person to a waiting Indian air force helicopter as they evacuate victims from Trishuli Bazar to Kathmandu airport in Nepal. Altaf Qadri/ AP Photo

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  An elderly woman weeps in front of her destroyed home in the Kumalpur village, on the outskirts of capital Kathmandu. Narendra Shrestha/EPA

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  Victims of Saturday’s earthquake in Nepal lie inside an Indian air force helicopter as they are evacuated from Trishuli Bazar to Kathmandu airport on April 27, 2015. The death toll from Nepal’s earthquake is expected to rise further as rescue workers continue struggling to reach victims two days after the disaster. Altaf Qadri/ AP Photo

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  Nepalese soldiers carry a wounded man to a waiting Indian air force helicopter. Altaf Qadri/ AP Photo

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  An Indian Air Force personnel carrying a Nepalese child, wounded in Saturday’s earthquake. Altaf Qadri/ AP Photo

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  A Nepalese woman cries as she sits in an ambulance with her wounded child. Altaf Qadri/ AP Photo

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  Locals gather at the top of large mound where once stood a temple to view the scene of devastation in Kathmandu, Nepal on April 27, 2015. Abir Abdullah/EPA

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  Victims of Saturday’s earthquake are cremated along a river in Kathmandu on April 27, 2015. Danish Siddiqui/Reuters

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  US citizen Michael Churton, 38, from New York, who was injured during an avalanche triggered by Saturday’s earthquake at the base camp of Mount Everest, arrives at the domestic airport in Kathmandu. Manish Swarup/AP Photo

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  A woman with head and eye injuries at Dhading hospital, in Dhading Besi, Nepal on April 27, 2015. Athit Perawongmetha/Reuters

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  Indian woman Dalimi Baishya, on wheelchair, was injured in Saturday’s earthquake while on a pilgrimage to Nepal. The earthquake was the worst to hit the South Asian nation in more than 80 years and tremors could be felt across parts of India, Bangladesh, China’s region of Tibet and Pakistan. Anupam Nath/AP Photo

Nepalis started fleeing their devastated capital on Monday after an earthquake killed more than 3,800 people and toppled entire streets, as the United Nations prepared a “massive” aid operation. Fears were rising of disease outbreaks among tens of thousands of traumatised survivors who have been camping out in parks and other open spaces in Kathmandu after Saturday’s 7.8-magnitude quake ripped apart the capital.