Anger and frustration as desperate families await news of loved ones

Families have been gathered at an army barracks every day since Wednesday's flood, desperately hoping for helicopters to deliver survivors. They are growing frustrated as they wait for news of their loved ones. "There's so much anger here today," the BBC's Azadeh Moshiri says at the scene - watch her full report below. To play this video you need to enable JavaScript in your browser.This video can not be played