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 .
NEW : Interior Ministry will release box-by-box ballot details , Press TV reports . Basij militia smack batons against shin guards as protesters pass through square . Helicopters hover as thousands play cat and mouse with police , witnesses say . At least 8 reported arrested , but no reports of serious injuries .