 The Senate has called for a thorough investigation into the May 30th killing of a chieftain of the all-progressive Congress, Ahmed Gulak in Oweri-Imo. The Senate's resolution was sequeled to a point of order raised by Deputy Senate President Umi Aagege during plenary on Tuesday. Raised in order 43 of Senate's standing rule, Umi Aagege also, the chairman and Senate committee on constitution review, argued and urged security agencies, especially the Department of State Services, to thoroughly investigate towards ensuring that the perpetrators were brought to book. President of the Senate, Ahmed Lawan, said there was no need for debate on the issue. A minute of silence was also observed in honor of the deceased.