The U.S.-based PEN America free-speech watchdog has asked the UN Human Rights Council to intervene in the case of imprisoned Iranian Nobel Peace Prize laureate Narges Mohammadi, who it said is in "urgent need of medical care." In an open letter, PEN urged the UN “to call on the Iranian authorities to grant Mohammadi a medical furlough on humanitarian grounds so that she is able to receive comprehensive and essential care for a range of serious medical conditions." Mohammadi, 52, has been in and out of prison for the past 20 years. She is currently serving a 12-year sentence in Tehran's Evin prison for "spreading propaganda," allegations that she, her family, and supporters reject.