In Pakistan, security forces have killed at least four suspected militants and captured 18 when they raided a hospital in South Waziristan. Those killed were believed to be of Arab and Sudanese origin. <br/><br/>A security official said the raid followed a tip-off that wounded militants were being brought to the hospital from Sherwangi, a Taliban-held area under attack by the army. <br/><br/>According to Pakistan military, the hospital in the town of Wana was being used by Islamist fighters operating in the area. The hospital is owned by an influential cleric and former parliamentarian, Maulana Noor Mohammad, who is close to a major religious party of the country, the JUI(F).