PESHAWAR As many as 23 militants were killed and several others got injured in armed clashes with security forces in Lower Dir on Tuesday. Sources informed that security forces pounded the militant hideouts in Upper Maidan and Kalpani areas after militants launched a suicide attack on a scouts security checkpoint on late Monday night. Meanwhile, curfew was also clamped in some areas. According to security forces, 23 militants were killed while many others got injured. A search operation is also underway in the adjoining areas. AFPadds: Security forces killed at least 23 militants in an exchange of fire during a search operation in Lower Dir, officials said Tuesday. The clash took place in remote Kilpani village of Lower Dir, the district where four bombers armed with car bombs and rockets attacked a paramilitary checkpoint killing one soldier early Sunday. A senior military official told AFP that police, paramilitary and army were carrying out a joint search in the village when a group of about 50 insurgents opened fire on them, triggering a gunbattle. Security personnel killed 23 militants and destroyed three of their hideouts in the village, he added. A senior police official in the area, Khan Razzaq, confirmed the incident and said that militants had managed to escape under the cover of darkness.