Iran’s parliamentary speaker warned it would will shut the strait again if the US blockade continues, which Trump said would remain in place until the conflict was fully concluded – key US politics stories from 17 April at a glance

Meanwhile, as new 10-day truce in Lebanon enters its first full day, Trump claims Iran has agreed to suspend its nuclear programme

Tehran says all vessels can now cross as long as US, Israel abide by ceasefire in Iran, Lebanon