The defence in Ahmad Zahid Hamidi’s corruption trial involving Yayasan Akalbudi (YAB) funds cannot effectively participate in an impeachment proceeding against the third defence witness unless the prosecution declassifies a contentious statement, the High Court heard today.

The former deputy prime minister’s lead counsel Hisyam Teh Poh Teik said the three-page document containing the statement given by Syarikat Pembinaan Teknik Sempurna Sdn Bhd director Jefri Jamil, which was classified as confidential according to the Official Secrets Act (OSA), needed to be declassified...