South Korea finds itself boxed in as Tehran moves to turn the Strait of Hormuz into a bargaining chip amid the US-Israeli war on Iran, leaving Seoul caught between its dependence on Middle East oil and its unwillingness to antagonise Washington. Economists note that South Korea relies on Washington’s security umbrella to deter threats from nuclear-armed North Korea and that its oil trade is settled in US dollars – two realities that sit awkwardly alongside Iran’s push for yuan-based energy...