PATNA, June 28 -- Three persons were injured in Patna's registry office on Friday when a private guard's rifle went off accidentally, police said. The incident took place at Chhajubagh under Gandhi Maidan police station when guard Sudhir Kumar's gun went off. Kumar was distributing forms of Bihar State Coop Bank and holding his gun in the hand. As demand for more forms rose, he accidentally dropped his gun and it went off. Three people received bullet injuries on their legs. HTC...