(Reuters) – British pole vaulter Holly Bradshaw pulled out of the World Championships in Eugene, Oregon on Friday after snapping her pole and landing awkwardly during warm-ups. Bradshaw, who won bronze at the Tokyo Olympics, did not take part in qualification as a precaution after feeling discomfort. “The last jump of the warm-up my pole snapped in half and then I landed kind of in the box,” Bradshaw said. “It’s a bit of a blur to me as I was rotating and landed quite high on the back of my neck. “I didn’t land on the floor but I slid down and did a bit of a number on my back. Initially I had …