Sources say the Senator suffered a heart attack and was rushed to Bikets Hospital where he passed away.
According to reports, the body of Former Osun governor and APC senator, Isiaka Adeleke, has reportedly been returned to the hospital for an autopsy amidst rumours that he was poisoned.
Nigerians on social media have reacted to the death of the three-time Senator, who is an uncle to music star, Davido.
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According to the reports, Adeleke was allegedly poisoned at a political meeting on Saturday, April 22, 2017.
Some of the Senator's who were angered by the news of his death, reportedly attacked journalists from the Nigerian Television Authority (NTA).
The situation has reportedly led to heavy traffic gridlock in the area.
Adeleke defected to the the All Progressives Congress (APC) from the Peoples Democratic Party (PDP) in 2015.
Family sources disclosed to Naij, that the Senator suffered a heart attack and was rushed to Bikets Hospital where he reportedly passed away.
Naij also reports that the senator was last seen at a function in Iwo, Osun state where he is said to have looked hale and hearty without any sign of ill health.