Donald Trump has launched a new operation to try and open the strait of Hormuz, but could it spark a re-escalation of the war? Lucy Hough speaks to the Guardian’s senior international correspondent, Julian Borger

US to launch new mission dubbed ‘Project Freedom’ as Tehran signals interference would be seen as a ceasefire violation.

Vessels have been largely unable to pass through the Strait of Hormuz for months, disrupting key supply chains.