Also speaking on the last Saturday's rerun elections in Rivers State, Buhari described it as shameful.
The President stated this at the the National Executive Committee (NEC) meeting of the All Progressives Congress (APC) held at its headquarters in Abuja.
Also present at the meeting are Vice President Yemi Osinbajo, former Vice President Atiku Abubakar, Governors and other party leaders.
Speaking on the violence which marred the rerun legislative elections in Rivers State on Saturday, March 19, 2016, Buhari described it as shameful and disappointing.
He said the problem of election violence would be addressed in future elections.
This the second time the APC NEC meeting is holding since Buhari became the President.