Four mobile policemen have been killed in a lone accident along Oba-Ile Road, Akure North local government.
Three others were said to have been critically injured.
It could not be confirmed if the affected policemen were returning to base after performing electoral duties.
Witnesses said their Hilux van somersaulted severally before hitting a pavement.
Ondo Police spokesman, ASP Tee-Leo Ikoro, confirmed the accident but said he was yet to be fully briefed.
Spokesperson for the Ondo Sector Command of the Federal Road Safety Corps, Omotola Ogungbawo, could not be reached for comments but a top official said two policemen died in the accident.
The source said eight others sustained injuries and attributed the cause of the accident to speed violation, burst tyre and loss of control.
Victims of the accident were taken to Police Clinic, Akure by Police Officers at the scene.