QUETTA - Four people were killed and a foreigner injured in separate incidents of firing in different towns of Balochistan on Monday.In the first incident, two people, identified as Elahi Bakhsh and Khuda-e-Dad were killed in Amiry area of Kalat when armed clash erupted between two groups.Police shifted both the deceased to a nearby State–run hospital for postmortem and termed the incident a result of old enmity. In the second incident, unidentified armed men opened fire in Sanjavi. As a result, one man sustained serious injuries who was immediately moved to hospital for medical aid. The assailants fled from the scene after committing the crime.Local administration said that the injured was identified as Taufiqur Rehman, who had come from Indonesia accompanied by a religious congregation.In another incident, a person was shot dead in Chaman town near Afghan border.Police said that Naimatullah was sitting outside his residence when armed men sprayed bullets on him. He received critical wounds that caused his instant death.Levies Force has registered a case and started investigation into the killing.Moreover, unidentified armed assailants shot dead a person namely Ram Dil in Puulabad Tump area of Kech district and escaped from the scene.