A senior police officer has denied knowledge of claims by the State’s principal witness in the treason trial of opposition leader Morgan Tsvangirai, that the British government and the United States Central Intelligence Agency (CIA) were involved in the alleged plot to assassinate President Robert Mugabe. Assistant Police Commissioner Moses Magandi told the High Court that the first time he learnt of the purported British and CIA involvement in the alleged assassination plot was when he read about the allegations in the Press.