'Adel Walid Kharsa was arrested by security forces in Hama last week, seemingly in connection with his news reports on the protests.
Two US citizens accused of "espionage" and "illegal entry" have been sentenced to eight years in prison by a Tehran court.
Syrian authorities are feared to be torturing a prominent dissident and his teenage son, his lawyer tells Amnesty International.
Sheikh Tawfiq Jaber Ibrahim al-'Amr, who has been calling for reform, is said to have been arrested over statements he made in his sermons.
Two Bahraini MPs jailed during anti-government protests might still be facing criminal charges despite being released from prison this weekend.
The former leaders of Tunisia and Egypt, both ousted in popular uprisings in recent months, are facing criminal trials for abuse of power.
The UN must take urgent action to stop the escalating violence against protesters in Syria, which amounts to crimes against humanity.
Iranian authorities are urged to release two US nationals arrested two years ago on espionage charges while hiking near the Iran-Iraq border.
Amnesty International calls on Bahrain to release two people held for leading a teachers' strike amid wide-scale protests earlier this year.
Amnesty International's website has been blocked inside Saudi Arabia after the organization published criticism of a draft "anti-terror" law.
A draft law in Saudi Arabia poses a serious threat to freedom of expression and peaceful dissent in the name of preventing terrorism.
Thirteen-year-old Thabet al-Hajlaoui was reportedly killed after security forces opened fire on anti-government protesters in the town of Sidi Bouzid.
Dozens are in incommunicado detention and at risk of torture after Syrian security forces arrested them in raids on a Damascus suburb.
Two women remain in detention in Riyadh after being arrested along with others who demanded fair trials for imprisoned relatives.
A Bahraini military court has handed down life sentences to prominent Shia opposition activists who were involved in protests.
Protesters detained after calling for reform in Syria remain in detention despite two government "general amnesties".
Clampdown on freedom of expression marks run-up to African Union summit in the capital Malabo on 23 June.
Dozens of people linked to pro-reform protests in Bahrain earlier this year are facing unfair trials at a special military court set up during a state of emergency.
New reports of child protesters being tortured and killed in Syria raise concerns about the treatment of those still in detention.
Doctors and nurses facing trial before a military court in Bahrain have made fresh claims of being tortured in detention.