QUETTA - Four people, including a woman were killed in separate incidents of firing in different parts of Balochistan on Saturday. In the first incident, two people including a woman were shot dead by unidentified people in Hub, near Shah Noorani Dargah. The deceased were identified as Muhammad Azam and Madia hailing from Lodhran area of Punjab. Police said an accused identified as Imran had been arrested who was being interrogated about the killings. In the second incident, unidentified armed assailants shot dead a person in Quetta. Maula Bakhsh, resident of Naseerabad, was sitting at a restaurant on Sariab Road when two armed assailants appeared on the scene and opened indiscriminate fire on him. As a result, he received serious wounds and succumbed to them before reaching hospital. Old enmity is stated to be behind the murder. Meanwhile, a personnel of Frontier Corps, namely Shahid Pervez, committed suicide in Dera Bugti by shooting himself with his official riffle. However, motive behind the killing is yet to be ascertained.