The new leader of the Islamic regime will be Khamenei’s son Mojtaba. President Trump has called him an “unacceptable” option.

President Donald Trump issued another warning to Iran on Monday, vowing to hit the country “TWENTY TIMES HARDER” if it impedes the flow of oil through the Strait of Hormuz. Oil prices have soared this week, largely due to disruptions in the Strait, which ships must pass through to transport roughly one-fifth of the world’s oil supply.

Vietnam ⁠has been among the countries hardest hit by fuel ​disruptions since the U.S.-Israeli war on Iran began, being heavily reliant on energy imports from the Middle East, ​the government said in a statement on Tuesday, citing ⁠a report ⁠from the Ministry ⁠of ​Industry and Trade.

Conflict is placing drinking water at risk as missile and drone strikes encroach on desalination plants that sustain the region.

Iran has fired more drones and missiles at Israel and Gulf Arab countries as it keeps up pressure on the Middle East in a war that has sent oil prices surging and stunned global economies.

A US soldier died after sustaining injuries during an attack last week in Saudi Arabia, the military said, bringing the number of American troops killed in the Iran war to seven.

Follow live NBC News coverage and latest updates as Trump says oil price rises are a small price to pay, Iran names Mojtaba Khamenei supreme leader, and Israel strikes Tehran and Lebanon.