Your old clothes, I'm sorry to say, met with rather an unfortunate accident.
Powerful people would give quite a bit to know he'd met with an unfortunate accident.
A. We have no reason to think that there will be any long-term impact as a result of the unfortunate accident.
He met with an unfortunate accident only a short time ago.
If anyone found his body, it would be an unfortunate accident.
Find out who is behind a series of unfortunate accidents.
Both it and he are being held by the police due to an unfortunate accident.
Like the police, he had regarded it simply as an unfortunate accident.
I'm afraid you two are about to have an unfortunate accident.
And then you had an unfortunate accident with your car.