Trending reports on social media last week claimed herdsmen were brought into the state with plots of lands allocated to them.
The leaders denied endorsing the governor for another term in office and accused him of attempting to whittle down the political influence of Oshiomhole in the state.
The Federal Government recently made known it decision to reinstall toll gates on federal roads across the country.
Since he began his second term in May, the governor has fired some of his aides largely due to misrepresentations.
The opposition party stated this after losing at the State Governorship Election Tribunal, Thursday.
The tribunal gave its verdict on Thursday, dismissing the petition brought before it by the opposing Nsima Ekere, and his party, the All Progressive Congress (APC) in the state.
The governor said the development of backlog which is been tackled in phases by his administration was caused while his predecessor held sway.
From America to Europe, from Benin Republic to Aba, there's anger in the air across all social circles and among the Age grades, which...
The image maker of the association who announced that the tour has been endorsed by Udom Emmanuel, executive governor of the state, said the excursion will last for four days beginning from the 18th to 21st September, 2019.
The tribunal held that the excluded figure was much higher than the over 10,000 votes, which was the margin of lead between Mr Kalu and the petitioner.