King Charles Meets with Korean War Veterans as Royal Family Conspiracy Theories Continue Online

The King, who is undergoing cancer treatment, traveled from Windsor Castle to Buckingham Palace following rumors of the BBC being "on standby" for a royal announcement

<p>Jonathan Brady - WPA Pool/Getty Images</p> King Charles meets Korean War veterans on March 19, 2024

Jonathan Brady - WPA Pool/Getty Images

King Charles meets Korean War veterans on March 19, 2024

King Charles is keeping up with royal duties.

The 75-year-old monarch, who is being treated for cancer, was seen leaving Windsor Castle on Tuesday, sitting solo in the backseat of a car.

King Charles traveled to Buckingham Palace, where he met with Korean War veterans to mark the 70th anniversary of the conflict, which was in July 2023. The King was photographed chatting with British veterans Alan Guy, Mike Mogridge, Brian Parritt and Ron Yardley.

To commemorate the anniversary, Princess Anne and Sophie, the Duchess of Edinburgh hosted a reception on Tuesday for around 200 veterans of the conflict on behalf of the King. Princess Anne, 73, gave a speech during the reception on her older brother's behalf.

"I am delighted that so many of you are able to attend today’s reception, a rather belated gathering, I fear, to mark 70 years having passed since the end of the Korean War," the King said in the speech delivered by Princess Anne. "It has been a personal ambition of mine to invite you all, in some form, to Buckingham Palace to recognize this significant milestone and ensure you are all most deservingly honored for your valiant service over 70 years ago. You might therefore imagine how particularly disappointed and frustrated I am to not be able to join you all in person. I can only hope that you are being well looked after in my absence and I am most grateful to the Princess Royal and the Duchess of Edinburgh for standing in for me."

<p>BACKGRID</p> King Charles leaves Windsor Castle on March 19, 2024

BACKGRID

King Charles leaves Windsor Castle on March 19, 2024

Related: King Charles May Attend Trooping the Colour amid Cancer Treatment with Modification to His Arrival: Report

King Charles' latest outing comes after speculation spread across social media that the BBC was "on standby" for an official royal announcement. Some claimed the update involved Kate Middleton, who continues her private recovery following abdominal surgery, while others alleged that it was about King Charles amid his cancer treatment.

However, none of the parties involved confirmed the claims and it would be unusual for the palace to provide days-early notice of impending announcements involving the royal family. Buckingham Palace declined to comment to PEOPLE, and the BBC has not yet responded to PEOPLE's request for comment.

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<p>Jonathan Brady - WPA Pool/Getty Images</p> The King met with British veterans of the Korean War also on Tuesday

Jonathan Brady - WPA Pool/Getty Images

The King met with British veterans of the Korean War also on Tuesday

The King’s cancer diagnosis was announced in February. The news came after the King had a hospital procedure for benign prostate enlargement the previous month (however, the palace clarified that the monarch does not have prostate cancer).

Buckingham Palace said in a statement at the time that King Charles would have “regular treatments” for his cancer and he “remains wholly positive about his treatment and looks forward to returning to full public duty as soon as possible."

Despite largely stepping out of the public eye, King Charles has continued to hold audiences and work behind the scenes.

<p>Samir Hussein/WireImage</p> The British royal family attends Trooping the Colour in June 2023

Samir Hussein/WireImage

The British royal family attends Trooping the Colour in June 2023

Related: King Charles Is 'Coping Well' amid Cancer, But Speculation Looms: 'There Are Constitutional Implications'

King Charles' latest appearance comes after he reportedly intends to attend the Trooping the Colour, the annual public celebration of his birthday, amid his cancer treatment in June.

The Daily Mail reported on Sunday that the King is "determined to attend" his birthday parade in London on June 15 and could travel by carriage from Buckingham Palace instead of riding on horseback as he did last year.

"There are a number of key events His Majesty would love to attend coming up in the diary and this is at the top of the list," a source told the outlet.

Buckingham Palace previously told PEOPLE that all options are being explored ahead of the event.

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