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

Next, we'll look at some possible causes and what to do about it.

Could it have any other possible cause in eastern Europe?

Police said it was too early to comment on a possible cause.

But you should know that it has many possible causes.

As a result, researchers are looking again for possible causes.

I can see no possible cause could be served by its publication now.

A gas explosion was thought to be a possible cause.

Recent research has indicated that climate change may be a possible cause.

There are various possible causes - most of them more likely than cancer.