BBC: Iran's intelligence ministry has charged a prominent Iranian-American academic with trying to overthrow the country's Islamic system of government.
Haleh Esfandiari, who works for a research institute in Washington, was detained in Tehran earlier this month.
Mrs Esfandiari had gone to Iran in December, but was not able to leave after her passport was stolen.
Her husband has told the BBC that she was only involved in innocent academic activities such as conferences.
The US government described the charges as "silly" and "outrageous" and called for her immediate release. Iran formally charges US scholar (more)
Mark Alexander
