Allies resist President Trump's calls to send warships to Strait of Hormuz

Global oil prices have increased by 40 to 50 percent as Iran attacks shipping in the Strait of Hormuz. President Donald Trump says the United States is negotiating with countries heavily reliant on Middle East oil, after he demanded several nations send warships to re-open the Strait of Hormuz. But European allies have so far proved resistant to President Trump's request.