Death toll in Nepal rises to 469

The death toll after catastrophic flooding in Nepal has reached 469, according to government officials, with thousands still missing. Rescue teams are engaged in a desperate search for survivors after Wednesday's landslide and flooding Wednesday. Umesh Haritashya, professor at the University of Dayton, joins LiveNOW's Alexandra Goldberg to discuss what could have triggered the landslide and whether a second phase of this disaster could be on the way.