DERA ISMAIL KHAN: At least two militants were killed and scores wounded when a fierce clash erupted between the Asmatullah and Turkistan groups in South Waziristan. The Turkistan group - backed by government authorities - Aqwam Naymat Khail Bhattan launched an attack on their rival Asmatullah group and their associates, the Ghu lam Jan group. Heavy gunfire, shelling: The groups exchanged heavy gunfire and shelling in the Soar Gar Kalay and Hichi Kalay areas. Two militants from the Asmatullah and Ghulam Jan groups have been confirmed dead, while many injured were reported on both sides. Reports received here say some Uzbeks are also taking part in the fighting from the Turkistan group, which is comprised of 700 people. The fighting erupted after a jirga held earlier failed to forge a truce between the rival groups.