China claims a number of islands in the area are part of its territory, despite other countries in the area strongly refuting such claims.
"There was blood on the road surface."
Rescue teams are struggling through thick mud and debris.
It was the first visit to Tibet by a Chinese leader in three decades.
It highlights a potential new risk for the world's second-most populous nation.
It comes after a carrier is set to sail through the South China Seas.
Leaders within the Taliban say while they are concerned about the treatment of Muslims in China, they will not cause any trouble for the Chinese government.
The six-storey factory outside the capital Dhaka was built without permission and had no emergency fire exits.
The tourists must also get a COVID test within 24 hours of arrival.