Sudden floods triggered by heavy rains have killed more than 400 people across parts of Pakistan, India-administered Kashmir and Nepal, authorities have said, with scores of people still missing.

Heavy rain in Khyber Pakhtunkhwa is expected to last until August 21, causing flash floods that have resulted in at least 214 deaths and extensive damage to infrastructure.

At least 46 people were killed and 200 remain missing after sudden flash floods hit Kishtwar in Indian-administered Kashmir,