Islamabad:2 persons were killed in firing in front of Islamabad Kutchery.The Islamabad police spokesperson said firing incident took place on G-11 Service road due to old enmity. One person was killed and one was injured due to firing.Later the injured person succumbed to injuries.The victims of firing were Syed Tafseer Haider and Nazir. They were presented in the court in 24/173 case.The rival party opened fire on them after their acquittal from court.IG Islamabad while taking notice of incident has ordered for immediate arrest of the accused person.