 Peter Munya subsequently lost to fieriest rival Kiraitu Murungi.Kiraitu garnered 281,737 votes, against Munya who garnered 232,569.Following the disputed 2017 presidential elections where the Supreme Court declared the presidential elections Null and Void, Peter Munya, suspecting mischief in his poll loss to former ally turned bitter foe Kiraitu Murungi, Peter Munya launched a poll petition challenging his loss and shifted his political direction from majority Jubilee Party where PNU was an affiliate party, to National Supper Alliance (NASA) led by 1st petitioner of the presidential election Raila Odinga.