A mouse loose in a Somerset County house may have escaped injury early Tuesday morning, but a woman who lives there wasn't as fortunate. State police at Somerset said 43-year-old Donald Eugene Rugg was attempting to shoot the rodent with a .22-caliber handgun inside the home he shares with 35-year-old Cathy Jo Harris, along Chicken Bone Road, in Lower Turkeyfoot Township, shortly after midnight. As he fired the weapon, Harris reportedly walked into the path of the discharged round and was struck in the right arm with birdshot.