The British-Iranian dual national was jailed five years ago in Tehran.
Kylie Moore-Gilbert has reportedly been moved to Qarchak prison in the desert for "punishment"
The husband of jailed British-Iranian mother Nazanin Zaghari-Ratcliffe described the news of the arrest as a "really bad sign".
The statement “Iran and the United States do not get on” is perhaps one thing we can all agree on. What is less clear, however, is: why? Here’s a brief history of the tense relationship between the two countries.
Footage has emerged appearing to show the moment the Boeing 737-800 was hit after taking off in Tehran.
Unverified images of Russian-made missiles used by Iran's military are circulating online.
There are no confirmed casualties at this time but one Iranian report said 80 "America terrorists" had been killed.
Iran state TV described it as Tehran’s revenge operation over the killing of Qassem Soleimani.
Foreign secretary says he and Boris Johnson have been in "constant contact" amid fears war could break out in Middle East.
Thousands marched through Baghdad on Saturday for Iran’s top general, who was killed in a US airstrike.