BOLAN - A bridge was blown up with explosive material by unidentified miscreants, suspending traffic here on Saturday. According to Levies sources, some unidentified miscreants planted explosive device under Garokot bridge in Bolan area which went off with a big bang damaging a portion of the bridge while no loss of life was reported. After the explosion local administration and security forces cordoned off the area and started a search operation for hunting the miscreants.