Bahraini army tanks take position near Pearl Square in Manama on Feb. 17, 2011. Riot police stormed through the square firing rubber bullets and tear gas in a harsh crackdown on anti-regime protesters.
A Bahraini anti-government demonstrator walks outside a hospital in Manama, Bahrain, early Thursday morning, Feb. 17, 2011, past writing in Arabic on the wall that reads: "the revolution of rage contains".
Bahraini riot police seen near the Pearl roundabout during clashes with anti government protesters, in Manama, Bahrain, early Thursday morning, Feb. 17, 2011.
Bahraini women cry outside a hospital in Manama, Bahrain, Thursday, Feb. 17, 2011, where victims of the confrontation between anti-government protesters and riot police were being treated.
Bahrani riot policemen block streets near the Pearl roundabout after attacking peaceful demonstrators camping, in Manama, Bahrain, early Thursday morning, Feb. 17, 2011.
In this image from video riot police firing tear gas and wielding clubs storm Pearl Square occupied by anti-government protesters before dawn Thursday, Feb. 17, 2011 driving out demonstrators and destroying a makeshift encampment that had become the hub for demands to bring sweeping political changes to the kingdom.
Credit: Bahrain Youth Society For Human Rights (BYSHR)
Protesters are seen in Pear Square, in Manama, Bahrain, as tear gas fills the air, Feb. 17, 2011, in this photo provided by the Bahrain Youth Society For Human Rights.
Rocks spell out messages from Bahraini anti-government protesters near the Pearl roundabout Wednesday evening, Feb. 16, 2011, in Manama, Bahrain. The Arabic reads "Down with the gangster government" and "No, oh Khalifa".
Credit: AP Photo/Hasan Jamali
A Bahraini anti-government protester holds a sign saying that freedom comes at a bloody price at Pearl Square in Manama on Feb. 16, 2011. Thousands of Bahrainis chanted for a change of regime and a "real constitutional monarchy" in the Gulf kingdom as they buried a second protester killed in clashes with police.
Credit: Getty Images/Joseph Eid
This image provided by Bahraini human rights group BYSHR shows a man identified as 52-year-old Ali Khadeer, who was allegedly killed during a police raid on Pearl Square in Manama, Bahrain, Feb. 17, 2011.
Credit: Bahrain Youth Society For Human Rights (BYSHR)
Bahraini anti-government protesters take part in a demonstration calling for a regime change at Pearl Square in Manama on Feb. 16, 2011. Thousands of Bahrainis chanted for a change of regime and a "real constitutional monarchy" in the Gulf kingdom as they buried a second protester killed in clashes with police.
Credit: Getty Images/Joseph Eid
A Bahraini anti-government protester holds a sign calling for unity between Sunni and Shiite Bahrainis at Pearl Square in Manama for a demonstration calling for a regime change on Feb. 16, 2011.
Credit: Getty Images/Joseph Eid
Bahraini anti-government protesters take part in a demonstration calling for a regime change at Pearl Square in Manama on Feb. 16, 2011.
