Water level begins to subside in parts of Sindh as nationwide death toll nears 1,500.

DADU -- The water level in the Main Nara Valley Drain (MNVD), commonly known as Right Bank Outfall Drain-I, at RD-10 upstream Manchhar Lake, started to decrease on Thursday as officials confirmed the intensity of floodwater also subsided to some extent in Dadu district.

However, they would not take any chances and said they would maintain a strict vigil on the drain to stave off any emergency.

Floods from record monsoon rains and glacial melt in the mountainous north have affected 33 million people and killed 1,486 since June 14, washing away homes, roads, railways, livestock and crops, in damage estimated at $30 billion.

Both the government and UN Secretary-General Antonio Guterres have blamed climate change for the extreme weather that led to the flooding, which submerged nearly a third of the country.

Sindh has been particularly hit hard, with the province's Manchhar Lake - the largest freshwater lake in the country - witnessing a surge in its water level in recent days as floodwaters from the north and hill torrents from Balochistan flow southwards, leaving behind a trail of deaths and destruction.

Hundreds of thousands of people have been made homeless by flooding in Sindh, with many sleeping by the side of elevated highways to protect themselves from the water.

'We have been buying tents from all the manufacturers available in Pakistan,' Sindh's chief minister Syed Murad Ali Shah said in a statement on Thursday.

Still, one-third of the homeless in Sindh don't even have a tent to protect them from the elements, he said.

Over the last few weeks, authorities have built barriers to keep the flood...