An attack by Yemen¡¯s Houthis on southern Saudi Arabia wounded 11 civilians on Thursday, a military official said, as the kingdom warned that coordinated attacks by the Houthis and Iran-backed Iraqi militias were imminent.

Maj.?Gen. Turki al-Maliki, spokesman for the ?Saudi-led military coalition supporting Yemen¡¯s internationally recognized government, said early Friday the attack in southern Najran Province injured ?seven Saudis, ?one Yemeni, two Egyptians and one Pakistani national.

The victims included a 4-year-old child who ?suffered second-degree burns.