We are not getting enough information coming out of Tibet, except what we hear on international media. In Kathmandu, however, the trips are still leaving for Tibet. So that is a good sign.
Here are some links with more information on the Tibetan protests and the Chinese response:
BBC News: UN Calls for Restraint in Tibet
Human Rights Watch: China Restrain from Violently Attacking Protesters
Associated Press: Tibet Unrest Sparks Global Reaction
New York Times: China Takes Steps to Thwart Reporting on Tibet Protests