A legal battle to make details of Prince Harry’s US visa application public has returned to court.

In his 2023 book, Spare, the Duke of Sussex detailed his experiences with drugs during his teenage years as he dealt with grief.

The admittance prompted right-wing US think tank the Heritage Foundation to launch a legal battle against the Department of Homeland Security (DHS) to make the documents public and see whether the duke had lied about taking drugs on his application.

In September, it was ruled the documents would remain sealed. But on Wednesday, US Judge Carl Nichols reopened the case as he told a hearing he wanted to reveal the “maximum amount possible” about how Harry obtained his visa.

The judge added he was not “100 per cent sure” about how to proceed, but would notify the parties “in due course”.

Meanwhile, the Prince of Wales met with young farmers in Angus, Scotland, to discuss attitudes and behaviours to farm safety and poor mental health in future farmers.

He said it was important to break down any “taboos and stigmas around mental health” as they spoke about rural isolation and loneliness.