mal matthew chance live in kiev. good morning. >> reporter: good morning to you. that's stringently denied by the bide abouts relating the a period in 2016 when vice president biden he was then had a meeting with the then president of ukraine, petro poroshenko. earlier i had a chance to have an encounter as the parliamentary session opened with mr. poroshenko. i asked him whether he had fired his prosecutor because of the investigation into the gas company. he categorically denied that. he also denied ever having a conversation with vice president biden who he met, of course, on numerous occasions about anything to do with american company and hunter biden or any individuals related to corruption. i also asked him whether he was behind the sending of another prosecuting attorney to meet