Seriousness of remark made in New York on Friday, and whether it signaled new policy ​position, not clear

Donald Trump has threatened to declare the strait of Hormuz as “a territory of the United States” as his administration struggles to conclude the war with Iran.

During a speech at a police academy on Long Island, New York, on Friday, the US president said he would “pretty soon” designate the waterway – a crucial chokepoint for global trade, through which about a fifth of the world’s seaborne oil supplies typically pass – a US territory.