Four new fires have been reported Friday, two of them human caused. A house fire in Delta threatened wild-lands, but was contained and is out. A Palmer fire erupted when a homeowner set fire to an old chicken coop. Fire responders issued a warning after dousing the flames. Two lightening sparked fires continue to burn. The Big Mud Fire, southwest of Tanana, has consumed 300 acres so far. BLM fire crews are monitoring that blaze. And the Aropuk fire, on federal land in the Yukon Delta National Wildlife Refuge, has covered 20 acres and is in monitor status.