LONDON - Britain has not sent any representatives as mediators to Iran, a British source said after the semi-official Tasnim news site reported that a mediator had been sent to discuss the freeing of a British-flagged tanker seized by the Islamic Republic.

"We are not aware of any representatives being sent as mediators to Iran," a British diplomatic source said.

(Reporting by Guy Faulconbridge; editing by Kate Holton) ((guy.faulconbridge@thomsonreuters.com; 07825218698;))