Some time later, Dorothy suffered a more severe accident and broke a hip.

The safety board is keenly interested in any lessons that might be learned from this especially severe accident.

No results were obtained this year as a result of the poor performance of the car combined with a severe accident.

On 28 June 2009, there was a severe accident in the tunnel, leaving five people dead.

Construction began in 1906 and suffered delays by several severe accidents.

"This is one of the most severe accidents I've ever seen," he said.

In 1981 he had a severe accident in the Indy 500, which almost cost his life.

Over the years there has been severe serious accidents and even deaths during the race.

In 1988, in a severe accident she broke both her wrists.

The most severe nuclear accident is probably the Chernobyl disaster.