Security forces arrested 23 militants including a commander Umar Saeed alias Zarqawi and killed four during last 24 hours, military spokesman said. Two militants were arrested in Shah Dherri area of Swat and 10 hideouts were destroyed, armed forces spokesman said, while two security men were injured during the search operation in Dhar Dayal area. A militant surrendered before the forces in Behrain, while in operations in Amankot, Minar, Qanbar and Lundi Khas four militants were killed and three others were arrested. The troops arrested nine militants from Sangota near Mingora and a militant laid off arms before the forces in Sakhara. According to the spokesman the forces captured six militants in Diwana Baba area of Buner and demolished their eight houses.