charsadda -  Unidentified militants blew up a CD shop in Purana Bazaar of Charsadda area in the wee hours of Saturday, police officials said. Luckily, no causality was reported. According to the officials, unidentified miscreants had planted an improvised explosive device along the wall of the CD shop. Three more shops were damaged in the explosion. A case has been lodged and investigation is in progress.