The Latest: Iran retaliates against Gulf energy sites as stocks sink worldwide

Iran intensified its attacks on oil and gas facilities around the Gulf on Thursday in retaliation for an Israeli attack on a key Iranian gas field, dramatically raising the stakes in a war that is sending shock waves through the global economy.

President Donald Trump warned that the U.S. would “massively blow up the entirety” of Iran’s gas field if it continues attacking its neighbors. And Israeli Prime Minister Benjamin Netanyahu declared later Thursday that Iran no longer can enrich uranium or make ballistic missiles. As he spoke, Israel’s military sent another alert about incoming Iranian missiles, and sirens sounded from Haifa to the Sea of Galilee.

The price of Brent crude oil, the international standard, spiked more than 60% since Israel and the United States started the war with Iran. Meanwhile, the death toll from Israeli strikes in Lebanon topped 1,000 people on Thursday during renewed fighting with the militant...