Zakharia 14:13

14:13 On that day there will be great confusion from the Lord among them; they will seize each other and attack one another violently.

Zakharia 14:18

14:18 If the Egyptians will not do so, they will get no rain – instead there will be the kind of plague which the Lord inflicts on any nations that do not go up to celebrate the Feast of Tabernacles.