Kullu: Torrential rains since Saturday night triggered flash floods and landslides in many parts of Himachal Pradesh, in which Mandi and Kullu districts took out the brunt. Delus washed and buried several houses, which blocked more than 300 roads, including national highways, and disrupted electricity and water supply. However, there was no loss of life.Flash floods in Mandi district, Takoli, Panrasa, and Nagavan left a section of Chandigarh-Manali NH, damaged houses and agricultural land, and were submerged in the fruit and grain market in Takoli. In auto, flash flood waves washed three houses and three more buried in the debris. In Kullu district, Flash Flads killed Dehra Nullah, causing damage to a shop in two houses and Pirdi. The debris blocked the Kullu-Bhantar Road.