How to use "accidental" in a sentence

Finally, to those nations who would make them-selves our adversary, we offer not a pledge but a request: that both sides begin anew the quest for peace, before the dark powers of destruction unleashed by science engulf all humanity in planned or accidental self-destruction.

They wanted it to appear as if you'd died in an accidental gas explosion

"He's the one who had to designate it an accidental death

He planned a suicide for Stryker, an accidental death for the woman, and a heart attack for the woman's husband

In the event of accidental contamination, you immediately set off an alarm