Anti-government protesters run towards riot police during clashes after a march held in support of human rights activist Abdulhadi al-Khawaja, in the village of Sanabis, west of Manama April 6, 2012. Al-Khawaja, a jailed Bahraini activist who has been on hunger strike for 58 days was moved to a hospital and fed intravenously on Friday after his health deteriorated sharply, his lawyer said. REUTERS/Hamad I Mohammed

A riot police officer fires teargas during clashes with anti-government protesters after a rally held in support of opposition members currently serving life in prison, in the village of Bilad al-Qadeem, west of Manama, April 1, 2012. REUTERS/Hamad I Mohammed

A Bahraini anti-government protester adds a lighter to his back pocket as he heads into clashes with riot police toting petrol bombs Monday, April 2, 2012, in Salmabad, Bahrain. Also on Monday, lawyers of a Bahraini human rights activist who is on a hunger strike and attorneys for 20 other opposition figures appealed their convictions on anti-state charges. (AP Photo/Hasan Jamali)

An anti-government protester throws a molotov cocktail at riot-police during clashes at the mourning procession of the murdered Ahmed Ismael Abdulsamad in the village of Salmabad south of Manama, April 2, 2012. Abdulsamad died early Friday from a single gunshot wound to the thigh fired from a moving car, a Ministry of Interior statement said. REUTERS/Hamad I Mohammed

A riot policeman runs past fires caused by petrol bombs thrown by Bahraini anti-government protesters Wednesday, April 4, 2012, in Sanabis, Bahrain, during clashes that erupted when police dispersed a march in support of an imprisoned human rights activist who has been on a hunger strike for more than 50 days. Bahrain authorities say Abdulhadi al-Khawaja has been moved to a prison clinic "for constant medical observation and care." (AP Photo/Hasan Jamali)

An anti-government protester throws a molotov cocktail at riot-police during clashes at the mourning procession of the murdered Ahmed Ismael Abdulsamad in the village of Salmabad south of Manama, April 2, 2012. Abdulsamad died early Friday from a single gunshot wound to the thigh fired from a moving car, a Ministry of Interior statement said. REUTERS/Hamad I Mohammed

An anti-government protester (C) is carried by her fellow protesters after she was pepper-sprayed by riot police during a rally in support of human rights activist, Abdulhadi al-Khawaja, who is on hunger strike in prison for over month and half, in Manama, April 7, 2012. REUTERS/Hamad I Mohammed

An anti-government protester is seen in front of riot police water cannon during clashes after a march held in support of human rights activist Abdulhadi al-Khawaja, in the village of Sanabis, west of Manama April 6, 2012. Al-Khawaja, a jailed Bahraini activist who has been on hunger strike for 58 days was moved to a hospital and fed intravenously on Friday after his health deteriorated sharply, his lawyer said. REUTERS/Hamad I Mohammed

An anti-government protester flashes the victory sign in front of a riot police's water cannon, as it gets hit by a molotov cocktail, during a demonstration in support og human rights activist Abdulhadi al-Khawaja in the village of Sanabis, west of Manama, April 6, 2012. Al-Khawaja, a jailed Bahraini activist who has been on hunger strike for 58 days, was moved to a hospital and fed intravenously on Friday after his health deteriorated sharply, his lawyer said. Al-Khawaja is one of 14 men in prison for leading "Arab Spring" pro-democracy protests last year. REUTERS/Hamad I Mohammed

A Bahraini Shiite Muslim stands wearing the Bahrain flag in smoke rising from tear gas fired by riot police on March 31, 2012, during a protest against the killing of Ahmad Ismail Hassan. Hassan died after he was wounded in the stomach on March, 30 when men in civilian clothing fired on protesters calling for "democracy and an end to dictatorship" in Salmabad, on the southern outskirts of Manama, according to the main Shiite opposition group Al-Wefaq. AFP PHOTO

A Bahraini Shiite Muslim boy, wearing a mask as an expression of protest, holds an exploded tear gas canisters during an anti-government rally in front of the United Nations house in the capital Manama, on March 29, 2012, against the excessive use of tear gas fired by Bahrain security forces to disperse demonstrations in Shiite villages. The UN High Commissioner for Human Rights on March, 27 criticised Bahraini forces for their "disproportionate use of force" as they sought to quell protests against the regime of the Sunni Muslim Al-Khalifa dynasty, saying their use of tear gas may have led to over 30 deaths. AFP PHOTO

A Bahraini anti-government protester throws a tear gas canister fired by riot police back toward them Saturday, March 31, 2012, in Salmabad, Bahrain, on the outskirts of the capital of Manama. Bahraini security forces fired tear gas during clashes with protesters who gathered after authorities acknowledged that gunfire killed a young man early Saturday in anti-government demonstrations in the Gulf kingdom. (AP Photo/Hasan Jamali)

A Bahraini Shiite Muslim wears a gas mask as an expression of protest during an anti-government rally in front of the United Nations house in the capital Manama, on March 29, 2012, against the excessive use of tear gas fired by Bahrain security forces to disperse demonstrations in Shiite villages. The UN High Commissioner for Human Rights on March, 27 criticised Bahraini forces for their "disproportionate use of force" as they sought to quell protests against the regime of the Sunni Muslim Al-Khalifa dynasty, saying their use of tear gas may have led to over 30 deaths. AFP PHOTO

An anti-government protester waves Bahrain's national flag during clashes with riot police in the district of Sitra in Bahrain March 24, 2012. Demonstrators were protesting in Sitra against the government holding the F1 Grand Prix next month. REUTERS/Ahmed Jadallah

An anti-government protester covers her face with a scarf written "Ready to die for Bahrain", during clashes with riot police in the village of Sanabis, west of Manama March 21, 2012. REUTERS/Ahmed Jadallah

An anti-government protester runs a way after he threw a Molotov cocktail at riot policemen and their armoured personnel carriers during clashes in the district of Sitra in Bahrain March 24, 2012. The demonstrators were protesting in Sitra against the government holding the F1 Grand Prix next month. REUTERS/Ahmed Jadallah