>>> rescue crews in southwestern japan are searching around the clock for two people still missing following a series of earthquakes. the first struck on thursday of last week. the quakes have killed 48 people. crews from police, fire departments and the self-defense forces are looking through giant mounds of dirt caused by landslides. one of the missing is a college student, yamato. he was driving near a bridge when it was hit by a wall of dirt. rescuers cannot get close to the area because of the landslide risk. his parents want officials to use a drone to continue searching. >> translator: i can't stay home and do nothing. i can't abandon hope that my son will come home. it's hard. >> 80,000 people are still unable to return to their homes. they're staying in shelters or sleeping in cars. authorities say some deaths could be linked to the stress and strain of life in a disaster zone. they say 11 people have died, mostly elderly. this includes a woman in her 70s who died after...