The United States evacuated diplomats across the Middle East and shut down some embassies as war with Iran intensified Tuesday while President Trump signaled the conflict could turn into extended war.

Strikes on sites in Qatar and Saudi Arabia forced the closure of key production facilities and added to growing worries about global oil and gas supplies.

Follow the latest news after the U.S. and Israel launched a massive attack on Iran that killed Iran's Supreme Leader Ayatollah Ali Khamenei.

The US consulate in Dhahran - where Saudi oil giant Aramco is based - urges people to shelter. Elsewhere, the UK deploys "a significant level of defensive capability" to Cyprus.

Saudi Arabia and Iran are both accelerating oil exports, adding barrels to global markets at a time when the US is deploying military assets in the Middle East, creating uncertainty about future supply.

The embassy said in an update that a shelter-in-place order remained in effect for Jeddah, Riyadh and Dhahran. It urged Americans throughout Saudi Arabia to stay inside. Tens of thousands of Americans live in Saudi Arabia, according to recent estimates.

Attacks on a Saudi refinery and a Qatari liquefied gas plant send hydrocarbon prices soaring in the European market

MOSCOW, March 2 (Reuters) - Russian ⁠President ⁠Vladimir Putin discussed ⁠risks of escalation around Iran ​in a phone call with Saudi Arabia's ‌Crown Prince Mohammed bin ‌Salman on Monday, the Kremlin ⁠said ⁠in a statement.