Within hours of the Friday sermon, grainy cellphone videos surfaced showing crowds surging away from tear-gas plumes and kicking the canisters back toward police.
Formed as a cold-war forum for developing countries that didn’t want to take sides, the movement has struggled to find its way since the USSR collapsed.
Ahead of a sermon by Mousavi supporter Hashemi Rafsanjani, protesters have taken their fight off the streets – including trying to crash the electricity grid by turning on kitchen appliances en masse.
The teenager disappeared June 15, when hundreds of thousands rallied in Tehran. Officials notified his mother of his death only on Saturday, despite her repeated inquiries at courts and prisons.