Police have detained two Islamic State (IS) campaigners in the Pakistani city of Peshawar, media reported on Saturday.The Khyber Pakhtunkhwa Counter Terrorism Department (CTD) made the arrests late Friday in the city's Notia Bazaar area, Dawn online reported.Leaflets and pamphlets calling for support for the terrorist organisation were also recovered from the suspects.The detainees are affiliated to a militant organisation and were preaching for IS when they were arrested, according to CTD officials.According to intelligence information, both the arrested people were trained in Afghanistan.Security personnel in Peshawar were put on high alert after the incident.