Torrential rain triggered flash floods that tore through Pakistan’s northwestern Swat Valley over the weekend, killing at least 32 people and laying bare gaps in disaster preparedness in a region once ravaged by Taliban.

Flash floods triggered by pre-monsoon rains swept away dozens of tourists in northwest Pakistan on Friday, killing at least eight people.

At least 45 people have been killed across Pakistan as heavy rain and flash floods battered multiple regions since the start of the monsoon season, disaster management officials said on Sunday