ISLAMABAD: National Accountability Bureau (NAB) has on Monday filed a supplementary reference before Accountability Court in Avenfield Properties case against five members of the Sharif family including former premier Nawaz Sharif. According to details, the case has been filed against Nawaz Sharif, his daughter Maryam Nawaz, son-in-law Captain (r) Safdar, and sons Hussain and Hassan Nawaz. The new reference has nominated 7 witnesses while 2 of them are from Britain. According to NAB, the reference has been filed based on the new information obtained in the case, also adding the TV interviews of the Sharif family. NAB had filed three references against Sharif family pertaining to Avenfield Properties, al-Azizia Steel Mills and Flagship Investment, in light of Supreme Court’s 28 July, 2017 verdict in Panama case.