KARACHI, July 22: The National Accountability Bureau (NAB) has rejected press reports in which PPP vice-chairman Makhdoom Amin Fahim has accused it of interfering in the Mir Murtaza Bhutto murder case. A spokesman for the NAB, in a press release issued from Islamabad on Friday, maintained that any interference by NAB in the case was absolutely out of question. He also denied that the Bureau had sought the case file or was following the case in any manner.