1. Severe accidents at arsenals in the former Soviet Union are not uncommon.2. In March 1990, Estefan had a severe accident in her tour bus. 3. She also found that the most severe accidents were caused by falls from windows. 4. With a lot more congestion on roadways, the chances for severe accidents pile up. 5. In 1913 Uni met with a severe accident during a performance in Vichy in France. 6. During a hiking tour at Nevado Huascar�n in 1983, he had a severe accident . 7. This made it the most severe accident with passenger ferries in the recent history of Norway. 8. One hypothetical reactor configuration could " trigger a very severe accident , " he wrote. 9. While playing the role on tour he suffered a severe accident that threatened to end his career. 10. But that is offset by the fact that their owners are involved in fewer and less severe accidents .