They are thought to have caught the virus before the outbreak was identified, the Red Cross says.

Tehran also signals progress on talks but says the key issue of nuclear weapons is not part of an initial framework it is working on.

The driver died aged 41 on Thursday after "overwhelming complications" from the illnesses.

The driver died aged 41 on Thursday after "overwhelming complications" from the illnesses.

They are thought to have caught the virus before the outbreak was identified, the Red Cross says.