Numbers 35:16

If anyone will have struck someone with iron, and he who was struck will have died, then he shall be guilty of homicide, and he himself shall die

Other versions

King James Version

And if he smite him with an instrument of iron, so that he die, he is a murderer: the murderer shall surely be put to death.

English Standard Version

"But if he struck him down with an iron object, so that he died, he is a murderer. The murderer shall be put to death.

New International Version

"'If a man strikes someone with an iron object so that he dies, he is a murderer; the murderer shall be put to death.