Byline: MIRROR REPORTERS
VIOLENCE spread across the Arab world yesterday as pro-democracy protesters clashed with security forces.
In IRAN police fired tear gas and beat up opposition supporters as tens of thousands of demonstrators wrecked central Tehran.
Marchers responded by setting garbage cans on fire to protect themselves from the stinging white clouds.
"We support you Mousavi," some of the demonstrators chanted, referring to a prominent opposition leader.
"An Iranian dies but doesn't accept humiliation" and "Death to the dictator," they said, in a chant directed at hardline President Mahmoud Ahmadinejad.
The semi-official Fars news agency called protesters "hypocrites, monarchists, ruffians and seditionists," and ridiculed them for not chanting any slogans about Egypt has they had originally promised.
The rally was the first major show of strength for Iran's cowed opposition in more than a year.
In BAHRAIN security forces fired tear gas and rubber bullets at thousands of anti-government protesters heeding calls to unite in a major rally and bring the Arab reform wave to the Gulf for the first time.
At least 25 people were treated for injuries, and one man died after being found on the street with severe head trauma, family members said.
Riot police - some firing bird shot pellets - moved against marchers trying to reach central Manama in an act that …