He warned that this might lead to the sudden collapse of British civilization.

It looked like Arthur's sudden collapse was the invitation to action they'd all been waiting for.

That had led to his sudden and unexpected collapse, the heart giving out.

So while there may be little risk of a sudden collapse, some experts fear for the future.

Some cried, others were left stunned or angry by the sudden collapse of their lives.

A woman's sudden collapse in a public place, death too quick for medical intervention.

Had his sudden collapse after the blow somehow saved him?

But the sudden collapse of a high-profile film only days before shooting is set to begin still gets the town talking.

As a result, a sudden social collapse is highly unlikely.

Then, a sudden collapse of the land surface can occur.