In Syria, an explosion at a base for Asian terrorists in northwestern Idlib city has killed 23 persons including seven civilians. <br/><br/>Extremist groups fighting in Syria count thousands of Asians among their ranks, including many from central Asian states and members of the Muslim Uighur ethnic minority of China's Xinjiang province.<br/><br/>Syrian Observatory for Human Rights head Rami Abdel Rahman said that a large explosion last evening hit the base of the Ajnad al-Qawqaz faction in Idlib. He said most of the non-civilian casualties were fighters from the group.<br/>Dozens of people were also injured in the car bomb explosion. <br/><br/>The Britain-based Observatory, which relies on a network of activists across Syria, said regime forces had seized more than 60 villages in the area since December 25.