TEHRAN (AFP) -- The United States and Iran traded strikes on Thursday for the second day running as Washington and Tehran battled over the strategic Strait of Hormuz. The vital oil shipping corridor is a flashpoint in the Middle East war, with Tehran insisting on control of the strait despite it being open to free passage before the US-Israeli attacks in February. After the foes traded attacks on Wednesday, US President Donald Trump said the ceasefire with Iran was "over", but left the door open