The run-up in crude oil futures paused on Monday even after Israel struck two natural gas facilities in Iran over the weekend, raising fears that the war will expand to energy infrastructure and disrupt supplies in the region.

US and Brent crude prices jumped on fears of supply disruption from the Middle East as Iran has repeatedly threatened to close a key shipping route.

Oil futures jumped as the market reopened Sunday night, building on last week’s surge after Israel attacked Iranian energy facilities over the weekend and underlining fears around potential disruption to Middle Eastern crude flows.