Hope Fades for Mount Ontake Climbers

The transcript discusses a volcanic eruption that resulted in casualties and injuries. Authorities reported 31 people suffered cardiac arrest, with four confirmed dead. The eruption produced significant smoke and ash, potentially causing breathing difficulties. Rescue operations, involving 550 personnel, faced challenges due to sulfuric gases, aiming to evacuate those in cardiac arrest and injured hikers.

What was the fate of the four hikers who were airlifted from the mountain?

What challenges did rescuers face while conducting their operations?