Three people have been killed in two separate mortar attacks in Tehsil Kabal of Swat today. Two miscreants were reported to have been killed as explosives went off in Tehsil Kabal. Meanwhile curfew has been reimposed in Kabal immediately after the incident. Sources said Mortar attack killed one person in Peuchar area of Kabal while two others killed in another mortar attack in Manri area.