A brother killed his married sister, mother of four kids, over suspicion that she had bad character here in 20 Jadi, town of Okara on the other day. As per details, Mumtaz Bibi got married with Haq Nawaz and the couple had four kids. Mumtaz Bibi got divorce through court and went to Darul Amaan. On directives of the court Mumtaz Bibi's brother Khizar Hayyat took her to home. Ummer Hayyat another brother opened indiscriminate firing at Mumtaz injuring her. She was shifted to District Headquarter hospital but she succumbed to death while Ummer Hayyat succeeded to escape.The police have filed case against Ummer Hayyat.