ORAKZAI AGENCY - At least six militants were killed when armed Lashkar of the Orakzai Agency exchanged heavy firing with militants in Sepal Darra area on Thursday. Sources said that the clash was erupted around eight kilometers off Ghaljo, the headquarters of the agency, which is considered a stronghold of militants. Both the groups exchanged heavy fires on each other's positions with sophisticated weapons. Those who were killed in the clash included Gul Bat Khan, Gul Sherin and Sharif while the names of three other commanders could not be ascertained till the filing this report.