MINGORA: Three more militants died of heart attack in the custody of the security forces in Swat, official sources said on Sunday. The sources said that the militants, including Commander Sarfaraz Khan, Barkat Ali and Ilyas died of cardiac arrest in the custody of the security forces in Swat. Their bodies were handed over to their relatives for burial. The number of militants who have died todate in the custody of the security forces had now reached 107. Despite repeated attempts, the Inter Services Public Relations In-charge in Swat could not be contacted for comments.