Violence marks anti-authoritarian protests

Anti-government protesters control Benghazi, Libya, as dissent fills the streets of Yemen, Bahrain and Morocco.

Yemeni anti-government demonstrators gesture while sitting on a billboard that says "Leave" in Arabic during a demonstration demanding the resignation of President Ali Abdullah Saleh in Sanaa, Yemen, on Monday, Feb. 21, 2011. Mr. Saleh rejected demands that he step down and said Monday that the widespread demonstrations against his regime were unacceptable acts of provocation, though he renewed calls for talks with the protesters. After a week and a half of marches that have left nine dead, Mr. Saleh told a news conference that he had ordered the army to fire at demonstrators "only in case of self-defense." (AP Photo/Muhammed Muheisen)

Yemeni anti-government demonstrators gesture while sitting on a billboard that says "Leave" in Arabic during a demonstration demanding the resignation of President Ali Abdullah Saleh in Sanaa, Yemen, on Monday, Feb. 21, 2011. Mr. Saleh rejected demands that he step down and said Monday that the widespread demonstrations against his regime were unacceptable acts of provocation, though he renewed calls for talks with the protesters. After a week and a half of marches that have left nine dead, Mr. Saleh told a news conference that he had ordered the army to fire at demonstrators "only in case of self-defense." (AP Photo/Muhammed Muheisen)

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