More than 100 people remain missing in northern Pakistan after flash floods have killed at least 360 across the country and Pakistan-administered Kashmir since Friday.Most of the victims have been in the mountainous Khyber Pakhtunkhwa province in the northwest, where entire villages have been swept away as swollen rivers, mudslides and collapsing homes left families buried beneath debris. Authorities have warned of more deluges and possible landslides and urged local administrations to remain on alert. Floods in Buner kill more than 200 peopleIn Buner, a district in Khyber Pakhtunkhwa about 100km (62 miles) northwest of the capital, Islamabad, at least 207 people have been killed over two days as floods and landslides swept through villages and destroyed homes. Members of the Urban Search and Rescue team search for bodies in the debris of damaged houses after a storm caused heavy rains and flooding in Bayshonai Kalay, Buner district, on August 17, 2025 [Akhtar Soomro/Reuters]Buner is predominantly hilly with steep slopes that feed into narrow valleys. The district’s loose, erosion-prone soil coupled with deforestation makes it vulnerable to landslides and flash floods.Satellite images of Buner show mountains and surrounding villages, including the town of Pir Baba, engulfed in mud and debris after the floods.What is a cloudburst?Officials said Buner was hit by a cloudburst, a rare phenomenon in which more than 100mm (4 inches) of rain falls within an hour in a small area. In Buner, there was more than 150mm (6 inches) of rain within an hour on Friday morning. Advertisement Cloudbursts typically occur in …