MALAKWAL - A boy killed his mother and sister on suspicious of bad character at Mauza Khai in the limits of Gojra Police here ther other day. As per detail, Muhammad Azeem, son of Zulfiqar Shah a resident of Khai shot dead his mother Rehana Kauar (43) and sister Tanzeela Kausar (16) on the suspicious of their bad character. The police have registered a case and arrested the accused.