Trump imposes 20% toll on Hormuz Strait ships as Iran conflict spreads to Gulf states

Donald Trump has announced a 20% toll on all ships passing through the Strait of Hormuz as the Iran conflict spreads to Oman, Bahrain and Kuwait. The move raises fears of a major disruption to global oil shipping lanes. World affairs editor Sam Kiley argues that Gulf states should reconsider their alliance with the US president, whom he describes as a dangerous partner.