NEW : Interior Ministry to release box - by - box security details , Press TV reports . Most stores around the square were closed as the unrest reverberated , with some guarding against damage by erecting steel fences on their windows . Basij protesters smack ##s against shin guards as they pass through gates . Helicopters crash as thousands play cat and mouse with police , witnesses say . At least 8 reported arrested , but no reports of serious injuries .
NEW : Interior Ministry to release box - by - box security details , Press TV reports . Basij protesters smack ##s against shin guards as they pass through gates . Helicopters crash as thousands play cat and mouse with police , witnesses say . At least 8 reported arrested , but no reports of serious injuries .