A housewife, Aisha Abubakar has been arrested by the Nigerian police for murdering her four-year-old stepdaughter with rat poison in Katsina State. The incident happened on Tuesday at Rimi in the Rimi Local Government Area of the state. SaharaReporters learnt that Abubakar took the life of her stepdaughter and namesake, Aisha Abubakar to punish her mother for accepting to become her husband's second wife.