KURRAM/ORAKZAI AGENCIES (INP) At least 41 militants were killed and 15 injured in separate operations by the security forces in Kurram and Orakzai Agencies on Friday. Security forces assaulted militant strongholds in Kurram Agency at around midnight, killing 35 militants and wounding 15 others, officials said. Four soldiers were also killed in the firefight, which lasted several hours. Militant sources confirmed the clashes and casualties but disputed the governments death toll. However, there was no independent confirmation of the casualties. In a separate incident, security forces killed six militants and destroyed two hideouts in Orakzai Agency. A search operation was also carried out in village Paskalay where 15 suspected militants were arrested. Security forces claimed to have killed over 120 militants and injured 40 in Orakzai Agency during the past one week. They also claimed to have regained control of Akhund Kot, Chapar and Dapar Killay areas. An operation was launched in Orakzai Agency in March last year, while the Kurram operation was launched this summer. However, this past week, security forces have increased their advance in both agencies.