ISLAMABAD, Jan 4 (INP) The Supreme Court (SC) in an in-chamber hearing on Thursday rejected former prime minister Nawaz Sharif's petition to club together the three references filed by the National Accountability Bureau (NAB) against him. This was the second time that the PML-N leader was seeking the clubbing of NAB's references against him, with his original attempt turned down by the SC registrar on December 2. INP/AH