Washington, Nov. 22 -- : In a historic feat for the Central Tibetan Administration (CTA), Dr Lobsang Sangay, President of Tibetan government-in-exile on Friday formally entered the United States White House, a move which could escalate existing tensions between the US and China over Tibet.

Last month, Dr Sangay was invited to the US State Department for the first time in six decades.

The New York Post reported that Beijing has asserted control over Tibet since 1950, and has accused the US of trying to destabilise the region.

In October, after Sangay was invited by the State Department, the Chinese government had asked the US to stop interfering in China's internal affairs or undermining the development and stability of the Tibet region....