Iranian Govt Tried to 'Cut the Head Off' Opposition  Given
foreign media restrictions in Iran, it remained difficult to
confirm details of the weekend's violence. The BBC estimated
tens of thousands of protesters were in the streets on Saturday.
As one crowd made its way toward Tehran's Revolution Square,
reports said, it found the square closed off by security forces,
including Revolutionary Guard forces and plainclothes members of
the Basij militia. Those forces, bystanders said, assaulted
protesters and chased them through the streets.  "This is a very
unfair fight. They are using chains, hoses, clubs, they are
carrying shotguns ... and they are brutal," one eyewitness in
Tehran told ABC News in the midst of the clashes.  An amateur
video posted to YouTube apparently showed the shooting death of
one protester; sources said she was shot in Amir Abad, a
neighborhood in Tehran.  Witnesses speaking with ABC News by
e-mail described the clashes as a "street war."  "War is going
on," one witness said, another d