Dr Mohammad Maleki has been held incommunicado since his arrest in August. Amnesty International has expressed grave concern for his health as he is suffering from serious illnesses.
Iranian-American academic Kian Tajbakhsh has been sentenced to 15 years in prison by
the Revolutionary Court in Tehran, for his alleged part in the protests following the June presidential election.
The de facto Honduran authorities must allow journalists to broadcast as negotiations over the country's political future continue, Amnesty International has said.
The government's increased surveillance, harassment and imprisonment of activists is to prevent them from raising human rights concerns that challenge the authorities' image of social harmony.
The Yemeni authorities must clarify the whereabouts of journalist Muhammad al-Maqalih, who was seized by plain-clothed assailants in the capital Sana'a late on Thursday.
Amnesty International welcomes the release of Mexican prisoner of conscience Jacinta Francisco Marcial, who was held in prison for three years after being falsely accused of kidnapping six federal agents.
Amnesty International's new report shows how Spain has one of the strictest
detention regimes in Europe, which is in breach of the country's
obligations under international human rights law.