Flash floods triggered by torrential rains have killed more than 280 people and left scores of others missing in India and Pakistan over the past 24 hours, officials said Friday, as rescuers brought to safety some 1,

In Pakistan, a helicopter carrying relief supplies to the flood-hit northwestern Bajaur region crashed due to bad weather, killing all five people on board, including two pilots, a government statement said.

Sudden floods triggered by heavy rains have killed more than 200 people across parts of Pakistan, India-administered Kashmir and Nepal, authorities have said, as scores of people remain missing.