There have been days of missile strikes between Israel and Iran, and oil markets are responding.

Crude oil futures jumped more than 3% Sunday after Israel struck two natural gas facilities in Iran, raising fears that the war will expand to energy infrastructure and disrupt supplies in the region.

Israeli energy company Bazan said its Haifa oil refinery suffered pipeline and transmission line damage during Iran’s overnight missile barrage. Refining core facilities continue to operate at the site,

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

Market watchers believe a full-scale disruption of global oil flows by closing the waterway is unlikely, and might even be physically impossible.

The recent flare-up of military action started after Israel launched a “precise and integrated preemptive strike” against Iranian nuclear facilities and military targets in the early hours of Friday morning.

Iran and Israel continued on Sunday their aerial attacks, which began Friday with a series of Israeli strikes on Iran.