Nigerian state oil firm NNPC and Chevron also had no immediate confirmation.

There was no immediate confirmation from Shell or from the Nigerian military.

To his acute brain there came an immediate confirmation of his theory.

There was no immediate confirmation of the assault from the Russian side.

There were no immediate confirmation of casualties or damage, police said.

But there was no immediate confirmation to the reports of deaths and injuries.

There was no immediate confirmation that the satellite had achieved its planned orbit.

There was no immediate confirmation of this from the emergency services.

There was no immediate confirmation of the incident from Saudi authorities.

There was no immediate confirmation from the coalition or Saudi authorities.

There was no immediate confirmation from the military or from Agip.

However, there was no immediate confirmation of this from Italy.

Shell said it was checking but had no immediate confirmation.

There was no immediate confirmation from the Cameroonian or Nigerian authorities of the incident.

There was no immediate confirmation of the trip from either Guinean or Senegalese officials.

There was no immediate confirmation from Washington of Pompeo's visit.