Andrew Greff drove to a Bismarck hospital with one arm Saturday morning after he blew apart his other arm with a pipe bomb. "I lit a pipe bomb, and it went off in my hand," the 21-year-old Bismarck man told St. Alexius Medical Center staff at about 6:30 a.m. when he ran through the emergency room doors. He said the accident happened at Kimball Bottoms, about 10 miles south of Bismarck. The explosion blew apart Greff's left arm between his hand and mid bicep, Bismarck Police Lt. Dan Donlin said. The Tribune was unable to contact Greff for comment, and...