terribly wrong during the flip. nbc news is not showing the accident. witnessed live by more than 10 million viewers across germany. koch landed face-down on the studio floor. doctors rushed as quickly as they could to help the 23-year-old. doctors described his injuries as including signs of paralysis. he s listed in critical condition this morning, said to be conscious and suffering serious spinal injuries, as well. presenter for that show spoke after the fact and said, i talked to the young man at dinner. he reassured me how much he was look forward to this. he said, quote, i m so sorry it ended this way. producers are re-examining the safety measures. they insist the worst accident they had before saturday night was a broken leg. they say the show will continue. but a lot of questions being asked today. that s the latest from here. back to you. two american thrill seekers pay the ultimate price during a