Four militants were killed and six were arrested in a clash with Pakistani security forces in Dera Bugti, south-west of Pakistan, on Wednesday. Balochistan Frontier Corps spokesman said that a convoy of security forces was ambushed by unknown gunmen in Sangsila area of Dera Bugti and after an hour of fire exchange, four attackers were killed while six others were arrested, according to Pakistan\'s (Dunya) News. The security forces recovered a large number of weapons from the militants while a large number of FC has been deployed in the area.