LAHORE: National Accountability Bureau (NAB) Chairman Justice (retd) Javed Iqbal was briefed on major corruption cases and the matter pertaining to DG Saleem Shahzad’s interviews at the bureau’s office in the provincial capital on Monday. “The NAB chairman visited the bureau’s Lahore office where he was briefed by Director General Saleem Shahzad on the ongoing major corruption cases,” sources said. The matter of DG NAB’s interviews on TV channels was also discussed, sources added. NAB to file reference against Shehbaz by November end: official Further, the sources said, “Letters written by Pakistan Muslim League-Nawaz (PML-N) leader Saad Rafique and his brother, Salman Rafique, also came under discussion.” DG NAB Lahore Shehzad Saleem appeared on Geo News' show 'Aaj Shahzeb Khanzada Kay Sath' on November 8, where he said that the anti-corruption watchdog would file a reference against Opposition Leader in National Assembly Shehbaz Sharif by the end of this month. The official also accused Shehbaz's son-in-law Ali Imran of depositing official cheques in his personal account.