King Charles III has been diagnosed with cancer, just days after hospital treatment for a prostate condition.
Buckingham Palace revealed the news in a statement, with UK papers on Tuesday morning splashing the news.
Here's what they say.
Tabloid The Sun went with the simple: King: I have cancer, alongside a new photo of Charles released by the Palace.
Six pages inside cover the news, including that Prince Harry will fly home from the USA.
The newspaper has also removed adverts from its website, and moved to a black background.
The Daily Mail went with the angle that Charles is "hugely positive" after his diagnosis, saying the "prognosis is very good."
An image of Charles heading to Church on Sunday was used, with plenty of analysis inside.
The Daily Express says King starts treatment for cancer.
It is not yet know what this treatment is, nor what kind of cancer the King has.
Broadsheet The Times took the whole of it's front page to report the news.
It included comments from the UK Prime Minister, President Biden and Donald Trump.
Even the Financial Times put the news on the front page, saying Stepping Back: King diagnosed with cancer.
Tabloid The Daily Star used a regal photo of Charles- or King Chas as it called him - to report the news.
The Guardian's main story was also on the diagnosis, though a photo of Taylor Swift at The Grammys ran alongside.
Newspaper i went with the Charles story, and the sub headline Prince William set to increase his royal duties.
A recent photo of him leaving hospital after his earlier procedure was chosen.
Free paper Metro also used a shot of Charles and Camilla at church on Sunday, and the simple headline, King has cancer.
Broadsheet The Daily Telegraph ran the news, along with an analysis piece ,across the front page.
Tabloid The Mirror used the new photo of Charles, saying King Cancer Shock.
It said treatment has already started.