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.

PESHAWAR, Pakistan (Reuters) -More than 300 people are dead in northwest Pakistan after two days of heavy rains and flash floods, local officials said on Saturday.

Rescuers struggled to retrieve bodies from muddy debris on Saturday after flash floods triggered by heavy monsoon rains across northern Pakistan killed at least 344 people in the past 48 hours, authorities said.