Footage has emerged of the fire that led to the collapse of a high-rise building in the Iranian capital Tehran, trapping dozens of firefighters inside. <br /><br />The video, filmed earlier today, shows several floors on fire before the whole structure came down. <br /><br />According to reports, around 200 firefighters were battling the blaze in the 17-storey building when it collapsed to the ground. <br /><br />As many as 30 could still be trapped inside and are feared dead. More 200 people have also been injured in the incident.
