Interior Cabinet Secretary of Security the late Joseph Nkaissery died on Saturday morning while receiving treatment at Karen Hospital after collapsing.
Nkaissery had attended the prayer rally with other politicians from both Jubilee party and NASA which was attended by President Uhuru Kenyatta.
His death came as a shock to the nation causing a frenzy as the country counts days to the genera election.
A postmortem result from the doctor reveals that he died from an heart-attack. The condition which Nkaissery suffered from was referred to as myocardial infarction according to his doctors.