Iran's government has arrested and jailed an 80-year-old man who's the father of an American businessman taken into custody in the country in October.
The businessman, a dual U.S.-Iranian citizen, is named Siamak Namazi. He was arrested by the Islamic Revolutionary Guard Corps while visiting the country months ago, though he's still not been charged with anything.
His father, Baquer Namazi, was arrested this week in Tehran. His wife, Effie Namazi, announced his capture on Facebook and said he was taken to Evin Prison, the same place their son is being held, Reuters reported.
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"Now both my innocent son Siamak and my Baquer are in prison for no reason," she wrote. "This is a nightmare I can't describe. I am extremely concerned and worried sick for Baquer's health. I have been trying to find out more information but have been unable to do so. The lawyer also couldn't get any information or get to see him."
U.S. Secretary of State John Kerry said he's aware of the situation.
"I am very familiar with this and I am engaged on it specifically," he said, Reuters reported, "but I am not permitted due to privacy reasons to go into details."
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The elderly Namazi reportedly has serious heart conditions and needs medication.
The State Department also put out a statement, through spokesman Mark Toner: "The U.S. Department of State has no higher priority than the protection of U.S. citizens overseas. We take our obligation to assist U.S. citizens abroad seriously."
Namazi's arrest comes just a few weeks after Iran and the White House forged a prisoner swap, exchanging five Americans in Tehran prisons for seven Iranians and dropped arrest orders for 14 more, Reuters reported.
It also comes just a short time after the Obama administration pressed forward a nuclear deal with Iran they say will prevent the country from acquiring nuclear weapons. Critics, however, say the opposite – that the deal actually gives Iran a clear path to develop nuclear weapons in the coming decade.