One person was injured when a mortar shell fired from an unknown location hit the building of a welfare organisation, late Sunday night. According to police, miscreants fired a rocket aimed at the American Club located in University Town area of Peshawar but it missed the target and struck an adjacent building hired by a welfare organisation. The building was partially damaged and one person sustained injuries. The injured was rushed to a nearby hospital where according to hospital sources his condition was stable. Security forces cordoned off the area after the incident and detained several suspects who were later released after interrogation.