A man was injured when a black bear went into his cabin in the Smoky Mountains and charged at him, officials in Tennessee said.The man found the bear when he went into the kitchen of the rental cabin near downtown Gatlinburg late Saturday, the Tennessee Wildlife Resources Agency said.Hair samples were taken for DNA analysis and the claws were swabbed to test for human hemoglobin, the TWRA said.The attack marked at least the second time in the U.S. that a black bear was killed after attacking a person this week.Wildlife authorities in Washington state killed a black bear Saturday after it charged and injured a woman near a downtown park in the town of Leavenworth."