Dozens of people have died and millions of homes are underwater following huge floods in north-eastern India and Bangladesh.
At least 62 people have died.
In India, Assam state’s disaster management agency said 32 of its 35 districts were underwater as the swollen Brahmaputra River broke its banks, displacing more than three million people.
The Brahmaputra – one of Asia’s largest rivers – breached its mud embankments, inundating 3,000 villages and croplands.
Lightning storms have killed at least 21 people in Bangladesh since Friday, while many others were lost to floods, lightning and landslides in India, the AFP agency reported.
Troops were called in to rescue thousands of people stranded by floods which have severed transport links, authorities said on Saturday.
While floods in Bangladesh are regular, experts say climate change is increasing their frequency, ferocity and unpredictability.
Forecasters are expecting a respite from the rain after incessant downpours.
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Millions of homes under water in India and Bangladesh
On Saturday, Assam’s Chief Minister, Himanta Biswa Sarma, toured flood-hit areas and described the situation as grim.
“We are now focusing on relief and rescue operations,” he said, adding that more than 20,000 people have been evacuated by the army and other rescue agencies.
Meanwhile India’s Meghalaya state’s chief minister Conrad Sangma tweeted that authorities were inspecting damage caused by landslides in the north-eastern state.
Water levels in all major rivers across Bangladesh are rising, according to the flood forecasting and warning centre in Dhaka, the nation’s capital.
The flood-prone country has about 130 rivers.
The flooding in Bangladesh, described by a government expert as potentially the country’s worst since 2004, was exacerbated by the runoff from heavy rain across Indian mountains.
Last month, a pre-monsoon flash flood, triggered by a rush of water from upstream in India’s north-eastern states, hit Bangladesh’s northern and north-eastern regions, destroying crops and damaging homes and roads.
The country was just starting to recover when fresh rains flooded the same areas again this week.
Bangladesh, a nation of 160 million people, is low-lying and faces threats from natural disasters such as floods and cyclones, made worse by climate change.
