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.

New targets appear to indicate an expansion of Israel’s war aims beyond the Iranian nuclear facilities that consumed the first days of the conflict.

An exchange of strikes on refineries and gas facilities was limited but raised the risks to an industry with broad economic impacts.

Israel has launched a series of strikes against Iran, targeting the country’s nuclear program and other military infrastructure. Iran has launched its own strikes in retaliation.

DUBAI, United Arab Emirates (AP) — Israel launched an expanded assault on Iran on Sunday, with direct strikes targeting its energy industry and Defense Ministry headquarters, while Tehran unleashed a fresh barrage of missiles blamed for the deaths of four people and injuries of many others.

Netanyahu reveals Israel struck the heart of Iran's nuclear program, targeting the Natanz facility and nuclear scientists working on Iran's weapons development

Israel's ambassador to the United States said Sunday that Israel was not looking to limit or quickly finish up its war with Iran. "The objective is not to contain the war. The objective is to win the war,