LAHORE    -    Another Pakistan Tehreek-i-Insaf leader has come under the scanner of National Accountability Bureau as investigation has been started against alleged benami properties of former Punjab excise minister Hafiz Mumtaz Ahmed and his wife. NAB Lahore’s Assistant Director Complaint and Verification, Aneela Iram wrote a letter to the registrar cooperative housing in which she asked for provision of dewtails of such properties of the former minister, if any, by June 30.