Thousands of protesters have taken to the streets across Yemen for the fourth straight day, demanding political reforms and the downfall of Ali Abdullah Saleh, the country's long-serving president.
The 3,000-strong throng of demonstrators in the capital, Sanaa, comprising students, human rights activists and lawyers clad in black robes, clashed with police and pro-government supporters on Monday.
Bahrain activists in 'Day of Rage'.
Anti-government protests in Shia villages around Manama, the Bahraini capital, have left several people injured and one person reported dead.
Demonstrators had called for Monday's 'Day of Rage' after apparently being inspired by the recent uprisings in Egypt and Tunisia.
Tear gas used on Iran protesters.
Clashes between pro-reformists and security forces in Tehran have left several people injured, with one person reported killed.
Thousands of anti-government protesters marched on Monday on Enghelab and Azadi streets [which connect and create a straight path through the city centre], with a heavy presence in Enghelab Square and Vali-Asr Street.
Quoting witnesses, the AP news wire reported that at least three protesters injured by bullets were taken to a hospital in central Tehran, while dozens more were hospitalised because of severe wounds as a result of being beaten.
The semi-official Fars news agency said one person had been shot dead and several wounded by protesters.
"One person was shot dead and several were wounded by seditionists (opposition supporters) who staged a rally in Tehran," Fars said, without giving further details.
Algeria unrest: Akbou protesters clash with police.
Police reportedly used tear gas and batons to drive back crowds protesting over unemployment. About 30 people, most of them protesters, were hurt.
In January Algeria was the first in a string of countries to see street protests, as people rallied against high food prices and unemployment.
Several people were killed as unrest spread across the country.
The sporadic protests have been continuing since early January.