Three militant fighters were killed and 26 others were captured during the security operation against militants in Swat and Dir regions on Friday, military spokesman said. According to the armed forces spokesman, clearance operation has been continued in Malakand and seven tunnels, eight hideouts and a training facility of militants were destroyed in Badar and Sar areas of Swat. A militant was killed and 26 were arrested during the operation. Three landmines, five kilogramme explosives and a vehicle were captured from Taligram and Qala, spokesman said.