Mount Everest

It was a tragic weekend on the world's highest mountain. A Toronto woman died while summiting Mt. Everest on Saturday.
Shriya Shah was one of four climbers who died of exhaustion and altitude sickness. Some critics are saying too many people were on the mountain at the time and that contributed to their deaths.
Sharon Wood was the first North American woman to summit Everest back in 1986. She spoke with David Gray.