Jubilee primaries have been marred with chaos and confusion with many regions complaining of inadequate poll materials.
The exercise which began on Friday, April 21 did not kick off in a majority of regions over delayed delivery of poll materials.
In Trans Nzoia county, angry protesters seized a ballot-boxes carrying van, stripped it and set the nomination papers on fire.
They blamed the returning officers of trying to rig the election in the area by closing the polling station earlier than the scheduled day.
In Laikipia East, voters in three polling centres set the nomination papers on fire in protests over the use of a 2013 voters register.
The register reportedly locked out hundreds of voters who had not participated in the exercise in yester-years.
Speaking about the chaotic primaries, Jubilee Party Secretary General, Raphael Tuju said that the primaries shall go on as planned.
He asked aspirants to refrain from making any comments on the ongoing exercise to avoid causing unnecesary tension.
Jubilee already has 8 helicopters waiting to deliver ballot papers to wherever they are needed.