The elections were conducted in Abua/Odual, Ahoada West, Gokana and Opobo/Nkoro Local Government Areas.
The Independent National Electoral Commission (INEC) cancelled the March 9, 2019 Assembly elections in the areas following electoral violence.
INEC on Sunday declared Sokolo Solomon, winner of the Abua/Odual constituency with 55, 944 votes.
In Ahoada West LGA, Okpokiri Nwanaka polled 32,574, to clinch victory.
Also, Dumle Maol of Gokana constituency was declared winner after scoring 55,319 votes.
The House of Assembly seat for Opobo/Nkoro constituency was won by Adonye Diri after he had scored 7,713.