An Iranian missile barrage overnight triggered a partial shutdown of a Haifa oil refinery in Israel as the two countries took turns striking at each other’s energy facilities over the weekend.

The death toll is growing as Israel and Iran exchanged missile attacks for a third consecutive day on Sunday, and Israel is warning that worse is to come.

Israel unleashed airstrikes across Iran for a third day Sunday and threatened even greater force as some Iranian missiles evaded Israeli air defenses to strike buildings in the heart of the country.