Crude oil prices opened higher on Monday, with US benchmark West Texas Intermediate up 1.86 percent to $113.62 a barrel, as the war in the Middle East continues to squeeze global energy supplies.

North Sea Brent crude was also higher at the week's market opening, climbing 1.16 percent to $110.30 a barrel.

President Donald Trump has set a Tuesday deadline for Iran to end the war and reopen shipping in the critical Strait of Hormuz waterway, threatening in an expletive-laden social media post Sunday to strike the country's power....