Meanwhile, protests continued in several parts of the world for the sixth day on Tuesday.
The international community led by the United States had pressed China, which has been rattled by the vicious protests ahead of the Olympic games in August, to show restrain in handling the stir and start dialogue with the Dalai Lama.
Demonstrators protesting China's crackdown on Tibetans in Lhasa hurled banners and sticks at the Chinese embassy in London and attempted to barge into the building.
The protesters also chanted slogans such as 'China, China, China - Out, Out, Out'.
About 100 Tibetan immigrants and supporters held a protest outside the Chinese diplomatic mission in Sydney on Tuesday, waving Tibetan flags and demanding that Chinese authorities stop killing their countrymen.
About 100 protesters burnt Chinese flags outside the Chinese consulate. The weeping Tibetan immigrants waved flags and photos of the Dalai Lama.
Image: Demonstrators protest outside the Chinese embassy against in Berlin, Germany.
Photograph: Sean Gallup/Getty Images
Also read: 'China unleashing cultural genocide in Tibet'