FAISALABAD - A man strangled a girl and his niece besides injuring his nephew in Mansoorabad  police limits on Monday.  A police spokesman said Shoaib Ahmad of Chak No killed Khadija Bibi,19, a sister  of  his wife, and her niece Zainab Fatima,11, and injured 14-year-old nephew Faizan Tahir.  The police shifted the bodies to a mortuary and started investigation while the accused fled.