But it says US citizens "are advised to carefully consider travel" to the province, and then to "avoid areas where demonstrations are taking place."
The alert comes as tensions between Han Chinese and Uighurs flared again in Urumqi, the regional capital of Xinjiang, months after large-scale violence broke out in early July.
Recent tensions have centered around so-called syringe attacks, where victims were stabbed with needles, prompting demonstrations and violence.
In July, the State Department warned US travelers to be aware that Chinese government measures to counter the spread of the A(H1N1) virus involved quarantining visitors who showed any signs of swine flu.
That alert, which remains in effect until the end of September, cautioned that the US embassy was unable to intervene in the quarantine process, which in some cases involved children being separated from their parents.
-------------------------------------------------------------------------------------------------------------------------------
The alert comes as tensions between Han Chinese and Uighurs flared again in Urumqi, the regional capital of Xinjiang, months after large-scale violence broke out in early July.
Recent tensions have centered around so-called syringe attacks, where victims were stabbed with needles, prompting demonstrations and violence.
In July, the State Department warned US travelers to be aware that Chinese government measures to counter the spread of the A(H1N1) virus involved quarantining visitors who showed any signs of swine flu.
That alert, which remains in effect until the end of September, cautioned that the US embassy was unable to intervene in the quarantine process, which in some cases involved children being separated from their parents.
-------------------------------------------------------------------------------------------------------------------------------