Nigeria, July 19 -- The chairman of the Code of Conduct Tribunal (CCT), Danladi Umar, has filed a suit to stop the Senate from conducting an investigative hearing on a case of assault brought against him.

Those sued in the suit are, the Senate, the Senate President, Ahmed Lawan; the Attorney-General of the Federation, Abubakar Malami; the chairman and members of the Senate Committee on Ethics, Privileges and Public Petitions, Ayo Akinyelure and the man the CCT chairman reportedly assaulted, Clement Sargwak.

According to a report by The Nation newspaper, Mr Umar filed the suit at the Federal Court in Abuja on July 13 to challenge the "constitutional powers" of the Senate to conduct an investigative hearing on the assault case.

He had be...