A low-intensity blast ripped through district court here in Dera Ghazi Khan on Monday but no causality was reported. According to police unknown miscreant hurled crackers in the district court premises which exploded with big bang. However no causality or injury occurred due to blast. The blast created panic in the court and lawyers and other staff rushed out of their offices. The court premises was evacuated soon after the explosion. The police reached the scene and cordoned off the area and collected the evidences. Bomb disposal squad (BDS) said the blast was caused by a cracker thrown by unknown miscreants.