A sudden cloudburst triggered devastating flash floods in Buner, Pakistan, killing at least 20 and leaving villages in ruins. Survivors described the scene as “apocalyptic” while rescue teams retrieved 18 bodies and searched for the missing amid warnings of more rain.

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

Severe monsoonal flooding has caused widespread devastation across Pakistan, destroying homes and sweeping away entire villages.