The Dalai Lama said on Sunday that there should be an investigation into whether cultural genocide, intentional or not, was taking place in Tibet, and said China was relying on force to achieve peace.
Tibet's exiled spiritual leader said that the international community had the "moral responsibility" to remind China to be a good host for the Olympic Games, but added that China deserved to host the Games.
He called for an investigation to "whether intentionally or unintentionally cultural genocide is taking place".
"The Tibet nation is facing serious danger. Whether China's government admits or not, there is a problem," he told a news conference at his base of Dharamsala in northern India.
"The Olympics should not be called off," he said.
There was no immediate comment from China's foreign ministry.
On Sunday, police and troops locked down Lhasa, the capital of Tibet, two days after ugly street protests against Chinese rule that the contested region's government-in-exile said had killed 80 people.
Monks first took to the streets of Tibet last Monday to mark the 49th anniversary of an earlier uprising, and protests soon spread to adjoining regions inhabited by pockets of Tibetans.