Amos 2:1-2

1Thus says the Lord: For three transgressions of Moab, and for four, I will not revoke the punishment; because he burned to lime the bones of the king of Edom.2So I will send a fire on Moab, and it shall devour the strongholds of Kerioth, and Moab shall die amid uproar, amid shouting and the sound of the trumpet;