Numbers 25:8-12

and he went after the man of Israel into the inner room of the tent and pierced both of them, the man of Israel and the woman, through the abdomen. So the plague on the sons of Israel was brought to a halt.

But those who died from the plague were twenty-four thousand in number. The Zeal of Phinehas

Then the Lord spoke to Moses, saying,

“Phinehas the son of Eleazar, the son of Aaron the priest, has averted My wrath from the sons of Israel in that he was jealous with My jealousy among them, so that I did not destroy the sons of Israel in My jealousy.

Therefore say, ‘Behold, I am giving him My covenant of peace;