Breaking news: Deena Kastor drops out of marathon

American Deena Kastor, the bronze medalist in the Athens marathin, has dropped out of the marathon just 20 minutes into the event. She stopped and pulled to the side, clutching her foot. She said that she heard something pop in her foot. World record-holder Paula Radcliffe is still in the race, as are Americans Blake Russell and Magda Lewy.

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