At least 10 militants were killed and several others injured when a fierce clash erupted between two rival militant groups in the restive Kurram region late Tuesday night. According to sources, the deadly clashes took place between Hafiz Daulat and Nabih groups in Karot Town of central Kurram. The clashes continued till many hours and the both sides were using automated heavy weapons killing 10 militants and injuring several others from both rival groups. A large number of militants who fled the military operations of South Waziristan and Orakzai Agency have set up their hideouts in various parts of Kurram Agency.