Which of the following sides have the security forces clashed with? [originaltex

Reports from Iran say the security forces have clashed with opposition supporters after the funeral of one of the country’s most influential dissident figures, Grand Ayatollah Montazeri. Reformers’ websites reported that the car of the Iranian opposition leader Mir Hossein Mousavi was attacked by men on motorbikes after attending the funeral. Jon Leyne reports from
London.
    For the government, the funeral of Grand Ayatollah Montazeri turned into a demonstration they were powerless to prevent. Opposition leaders called for a major show of solidarity to mourn the death of one of the most outspoken clerics in Iran. (3) They were greeted with a crowd stretched as far as eye could see.