Wayanad Disaster: What happened

Hundreds of people lost their lives in Waynad landslides. It is still counting. 140 mm of rain in a single day triggered this horrific incident. The compounded effect of rain and three landslides together led to this horrific tragedy in which almost every thing on its way way razed and bodies were also found many kms away from the site of the actual incident. How did the tragedy as big as this unfold, watch in this video