Ojediran said production has been cut off at six pumping stations in the Niger Delta by the protests.
The Ijaw are angry at the distribution of council wards near the town of Warri in Delta State and have vented their frustration on the dominant local industry.
Shell has opened talks with the Delta State government and Ijaw representatives to resolve the situation, Ojediran said.
Company officials said workers have been evacuated from the flowstations to ensure their safety
The Investigative Committee of the Russian Federation put the head of the contractor company of Russia's space corporation Roskosmos, Sergei Slastikhin, on international wanted list
"Washington operators of the sanctions machine ought to get acquainted with the history of Russia, to stop the unnecessary fussing," spokesperson for the Foreign Ministry said