RAHIM YAR KHAN - A man killed his sister and her alleged lover on suspicion of illicit relations here in Kot Samaba, a town 22-km away from here. As per report, Shahbaz suspected that his sister Zarina had developed illicit relations with a youth namely Miraj. On the day of incident, Shahbaz fired gunshots at the couple when he spotted them in a field. Later, the accused surrendered himself to the Kot Samaba Police. The police have registered a case.