More than 20 suspected Taliban militants were killed while two security personnel were martyred  during a clash with terrorists in the Dolanay area of  Upper Orakzai Agency, lawless northwest tribal region of Pakistan, officials source said on Tuesday. According to forces sources, security forces targeted militants’ hideouts in different areas and killed 20 militants. During the clashes, two security personnel were killed and 16 others sustained injuries. The clash took place when the militants opened fire on security personnel who were advancing into the area during military operation. The injured personnel have been shifted to the Combined Military Hospital, Kohat.