Iranian President, foreign minister die in helicopter crash
Saudi crown prince postpones Japan trip citing king39;s health
Saudi king to be treated for lung inflammation SPA

SINGAPORE, May 20 Reuters Brent crude futures extended gains on Monday, inching up amid political uncertainty in major producing countries after Iran39;s president died in a helicopter crash and the Saudi crown prince cancelled a Japan trip, citing health issues with the king.

Brent gained 10 cents, or 0.1, to 84.08 a barrel by 0454 GMT, after rising to 84.30 earlier, its highest since May 10.

U.S. West Texas Intermediate WTI crude for June edged down 5 cents to 80.01 a barrel, after hitting 80.23 earlier, the highest since May 1. The June contract expires on Tuesday and the moreactive July contract was at 83.75, up 12 cents, or 0.1.

Iranian President Ebrahim Raisi and his foreign minister were killed in a helicopter crash in mountainous terrain and icy weather, an Iranian official said on Monday, after search teams located the wreckage in East Azerbaijan province.

Separately, Saudi Arabian Crown Prince Mohammed bin Salman postponed his visit to Japan, scheduled to begin on Monday, because of a health issue with King Salman, said Japan39;s Chief Cabinet Secretary Yoshimasa Hayashi.

Saudi Arabia39;s state news agency on Sunday reported that 88yearold King Salman will undergo treatment for lung inflammation.

If the father39;s health is failing, it adds to the layer of uncertainty already…