Chinese officials say they have uncovered a large terrorist group in the country. In an announcement that came in an email to journalists, China's Ministry of Public Security said its forces have broken up the group. The ministry said the details of the operation would be revealed at a press conference on Thursday. <br/>The officials have declined to say who the group is or what it might have done. <br/><br/>However, the authorities said they have uncovered armed separatist groups in the country's far western Xinjiang region in recent years.<br/><br/>Many local Uighurs in Xinjiang are seeking independence from China and some have taken up arms to achieve this.