Numbers 25:8 WEB

⁶  Behold, one of the children of Israel came and brought to his brothers a Midianite woman in the sight of Moses, and in the sight of all the congregation of the children of Israel, while they were weeping at the door of the tent of meeting.

⁷  When Phinehas, the son of Eleazar, the son of Aaron the priest, saw it, he rose up from the midst of the congregation, and took a spear in his hand;

⁸  and he went after the man of Israel into the pavilion, and thrust both of them through, the man of Israel, and the woman through her body. So the plague was stayed from the children of Israel.

⁹  Those who died by the plague were twenty-four thousand.

¹⁰  Yahweh spoke to Moses, saying,