US oil prices ended Monday’s session above $100 a barrel for the first time since the US and Israel launched a war against Iran as President Donald Trump threatens further escalation of attacks, including on critical energy infrastructure.

Oil prices are rising as President Trump contemplates a ground operation in Iran. The Wall Street Journal's Spencer Jakab has more.

The US administration is making it known the president is considering anything from a raid on Iran’s oil export terminal Kharg Island to an audacious, but likely implausible, operation to seize its stockpile of highly enriched uranium,

President Donald Trump said Sunday that he would like to "take the oil in Iran" and is considering seizing the export hub of Kharg Island, which is responsible for more than 90% of Iran's oil exports

Oil prices climbed Sunday after Tehran warned against a US ground invasion, despite President Donald Trump saying on Friday that negotiations would continue to end the war.

U_S_ President Donald Trump has threatened widespread destruction of Iran’s energy resources and other vital infrastructure if a deal to end the war is not reached “shortly.”

President Donald Trump says Iran faces massive damage to its energy system unless it quickly agrees to end the war

Stocks swung Monday as oil prices kept climbing because of uncertainty about when the war with Iran could end. The S&P 500 slipped 0.4% and deepened its loss since the war began to pull 9.1% below its record set early this year.