use caution as firefighters complete mop up operations. The co-op fire that sparked up yesterday and was threatening around 50 structures is now 40% contained for southern Utah correspondent can and Seachrist is at the scene. >> Around 4 o'clock in the afternoon yesterday, the Cole lot fire was initially reported at 300 acres and grew to over 600 acres. But fire crews have been working hard the past 24 hours to contain the fire, even with some of the strong winds earlier today. The initial cause of the fire is still under investigation. However, officials do believe that the fire was human caused the rapid spread of the fire overnight, cause local, state and federal resources to respond last night. Evacuation orders and road closures were issued to those near the fire. But now that he's no longer the case. >> Right now, all evacuations have been there were few from structures that were threatened yesterday. But those have since been lifted at that point road everything's The Dog Wash road is open up to the open sky. Glamping. And we just don't the citizens past that point. But open to that point at this time, besides the extremely steep terrain on the side of the mountain, fire crews are also experiencing some other issues. >> Due to the heat being close to triple digits. It's already hot and dry without the wind. The wind just adds to it. >> So we've got folks out there on the fire line right now trying to secure it and these win just one of the drivers of the fire. They can really pick it up and spread rapidly. >> Here told me that one of the main points of focus is securing the perimeter of the fire so that if something does spark up again, it doesn't continue to spread to areas that the fire has already burned. >> If we do get an ignition and the chances of a rapidly expanding are very high. And this is just a testament. Yesterday we were under those conditions within an hour. It was a over 100 acres on U.S.. >> Officials say that the fire was threatening around 50 structures and there was some damage to one of the structures which is believed to be a trailer.