Rescuers and residents resumed searching on Tuesday for survivors as the death toll from five days of torrential rain rose to almost 400, with authorities warning monsoon downpours would continue until the weekend.

Pakistan declared a public holiday in Karachi as the financial capital braced for more rain on Wednesday, after the arrival of the annual monsoon season left at least seven people dead and caused widespread flooding,

Pakistan has received higher-than-normal monsoon rainfall this year, triggering floods and mudslides that have killed more than 540 people since June 26.