Numbers 26:10

And the earth, opening its mouth, devoured Korah, with many others dying, when the fire burned two hundred fifty men. And a great miracle was wrought

Other versions

King James Version

And the earth opened her mouth, and swallowed them up together with Korah, when that company died, what time the fire devoured two hundred and fifty men: and they became a sign.

English Standard Version

and the earth opened its mouth and swallowed them up together with Korah, when that company died, when the fire devoured 250 men, and they became a warning.

New International Version

The earth opened its mouth and swallowed them along with Korah, whose followers died when the fire devoured the 250 men. And they served as a warning sign.