The Iranian-backed Yemeni group has stepped up attacks on Saudi Arabia in recent weeks, targeting oil facilities and airports, among other sites. (EPA Images pic)DUBAI: Houthi attacks on Saudi Arabia are having only a "limited" economic impact on the kingdom so far, owing to robust domestic demand, the IMF's regional director told AFP, though geopolitical uncertainty remains a threat.

The Iranian-backed Yemeni group has ramped up its attacks on Saudi Arabia in recent weeks, hitting oil facilities and airports among other targets, as Yemen's dormant civil war has roared back into life.

The world's largest oil exporter, Saudi Arabia has had its crude shipments squeezed by Iran's blockade of the Strait of Hormuz and the Houthis' declaration of a maritime blockade.