In Las Vegas , federal agents stormed two clubs - Cheetah 's and Jaguars - along with Galardi Enterprises , an office atop a bar in downtown .
In Las Vegas , agents entered two clubs — Cheetah 's and Jaguars — along with Galardi Enterprises , an office atop a bar and pool hall in downtown Las Vegas .
The worst-affected area was South Kyongsang province where at least 15 people drowned and roads were swept away .