Numbers 16:47-50

Aaron grabbed the censer, as directed by Moses, and ran into the midst of the congregation. The plague had already begun. He put burning incense into the censer and atoned for the people. He stood there between the living and the dead and stopped the plague. Fourteen thousand seven hundred people died from the plague, not counting those who died in the affair of Korah. Aaron then went back to join Moses at the entrance to the Tent of Meeting. The plague was stopped.