Multan: Three persons including a woman were injured in a firing incident between two rival groups in the Sabzi Mandi area of Multan on Saturday. The incident took place when two rival groups started indiscriminate firing on each other over a family dispute, which left three persons injured. The injured were rushed to Nishtar Medical Hospital Multan for treatment. The injured were identified as Amjad Ali, Aslam and Sharifan. The police have registered a case and started an investigation.