DUBAI, United Arab Emirates — Iran intensified its attacks on oil and natural gas facilities around the Gulf on Thursday, raising the stakes in a war that is sending shock waves through the global economy. The strikes, in retaliation for an Israeli attack on a key Iranian gas field, sent fuel prices soaring and risked drawing Iran’s Arab neighbors directly into the conflict. Tehran's targeting of energy production further stressed global supplies already under pressure because of Iran’s stranglehold on the Strait of Hormuz , a strategic waterway through which a fifth of the world’s oil is transported. Since the U.S. and Israel launched the war on Feb. 28, Iran’s top leaders have been killed in airstrikes and the country’s military capabilities have been severely degraded. Still, Iran — now led by the son of the supreme leader killed in the war’s opening salvo — remains capable of missile and drone attacks rattling its Gulf Arab neighbors and a global economy dependent on the energy they produce. Underscoring the danger to ships in the region , a vessel was set ablaze o