The police were also still trying to determine the cause of the crash.

It provided no information about the cause of the crash.

The government did not go into the possible cause of the crash.

Bad weather is considered to be the likely cause of the crash.

The cause of the crash was under investigation, the police said.

The cause of the crash has not yet been determined.

The cause of the crash was reported to be an engine fire.

This will be another major cause of the global financial crash.

He said that his government was not certain about the cause of the crash.

The cause of the crash is not known yet, he said.