Boy's arm amputated to free him from oil well pump

OKLAHOMA CITY: A teenager who sneaked onto an oil well site to play on the equipment got tangled in a piece of machinery and a doctor had to amputate his left arm to free him.... The 17-year-old boy and his friend jumped an 8-foot (2 1/2-meter) fence Sunday to play with a pump jack, a common piece of oil field equipment that rocks up and down to lift oil out of a well. He turned on the machine to ride it but became entangled in one of its moving parts, and his friend couldn't shut it off...