A Pakistani official says the death toll from flash floods in the country's northwest has risen to at least 274 after rescuers recovered dozens of bodies from the rubble of collapsed houses.

Cloudbursts are causing chaos in mountainous parts of India and Pakistan, with tremendous amounts of rain falling in a short period of time over a concentrated area

BUNER, Pakistan (AP) — Flooding in a northwest Pakistani district has killed at least 220 people, officials said Saturday, as rescuers pulled 63 more bodies overnight from homes flattened by flash floods and landslides, with forecasts of more rain in the coming days.

Rescuers recovered dozens more bodies from the rubble of collapsed homes in a northwestern district of Pakistan, bringing the death toll to at least 274, as authorities defended their response to the flooding and said they did not need any foreign help at this point.

Hundreds of people are dead in north-west Pakistan after two days of intense rain and floods, with rescue efforts and clearing of blocked roads increased with the release of emergency funds.

By Sunday morning, the death toll from the rains across the mountainous north of Pakistan had risen to at least 337 people, with most killed in flash floods, according to the National Disaster Management Authority. In Buner, a three-and-a-half-hour drive from the capital Islamabad, 207 lives were lost and others are still missing.

More than 150 people are missing in northwest Pakistan, the head of the provincial disaster authority said Sunday, after flash floods that have killed at least 344 people in the country.

Khyber Pakhtunkhwa government's MI-17 helicopter had taken off from Peshawar for Bajaur when contact was lost over Mohmand tribal district, according to initial reports.