Numbers 21:3-6

³And the Lord heard the prayers of Israel, and betook to them the Canaanites; and Israel killed him, and destroyed his cities; and Israel called the name of that place Hormah, that is, cursing.

⁴Soothly Israel went forth from the hill of Hor, by the way that leadeth to the Red Sea, that they would compass the land of Edom; and it began to annoy the people, of the way and of the travail.

⁵And the people spake against the Lord, and Moses, and said, Why leddest thou us out of Egypt, that we should die in wilderness? bread faileth, waters be not; our soul loatheth now on this meat most light.

⁶Wherefore the Lord sent fired serpents or fiery adders into the people; at the wounds of which serpents, and the deaths of full many men,