Hopes of a Royal Family reunion remain uncertain as tensions surrounding Prince Harry continue, with insiders claiming a "lack of trust" is still a major obstacle to reconciliation.

Speculation has grown in recent weeks that the Duke of Sussex is keen to repair relations with his father, King Charles III, during an upcoming visit to the UK. Associates of Harry say he would welcome an invitation to stay at Sandringham House this summer while he is in Britain for engagements linked to the Invictus Games.

The 41-year-old is reportedly hoping to bring his wife, Meghan Markle, and their two children, Prince Archie and Princess Lilibet, in what would mark a significant step towards rebuilding family ties.

A friend of Harry said he "would welcome an invitation to Sandringham", adding: "If the King was to say, 'Come up and spend some time with the family', he'd love that."

However, those close to the King have responded with caution, suggesting past experiences have left senior royals wary. One source indicated that repeated public comments and briefings attributed to the Sussexes' circle have damaged trust.

A friend of the monarch told the Daily Mail that "low trust and bitter experience" remain key barriers, adding that private family matters would need to stay out of the public domain for progress to be made.

Relations between Harry and the Royal Family have been strained since his departure from royal duties, which was followed by a series of high-profile interviews and the release of his memoir Spare, in which he was critical of the institution.

The duke has only seen his father twice in the past two years, underlining the distance that remains between them.

Security concerns also continue to complicate any potential reunion. Harry is still awaiting a decision from the Royal and VIP Executive Committee on the level of protection his family would receive while in the UK. A private visit to Sandringham would not automatically guarantee police protection.

The duke previously lost a legal challenge over his security arrangements and has since requested a fresh risk assessment from the Home Office.

Meanwhile, Harry's children have not seen their grandfather in nearly four years, with their last meeting taking place during the Platinum Jubilee of Elizabeth II in 2022. Meghan's most recent visit to the UK also came that year, following the death of Queen Elizabeth II.

Any potential gathering at Sandringham would also raise questions about Harry's relationship with his brother, Prince William, and sister-in-law, Catherine, Princess of Wales. The couple often spend time at Anmer Hall on the same estate, and relations between the brothers remain strained.

While there are signs that Harry is open to reconciliation, insiders suggest that without a rebuilding of trust behind closed doors, any meaningful reunion within the Royal Family remains some way off.