Britain's King Charles III has written a private letter to former President Joe Biden, Buckingham Palace said, following the latter's diagnosis of an aggressive form of prostate cancer, which has metastasized to his bones.

Joe Biden has been diagnosed with an aggressive form of prostate cancer. King Charles III, who is also battling cancer, has personally reached out to the former US President.

King Charles III has written to Joe Biden with a message of support following the former US President’s diagnosis of an aggressive form of prostate cancer. At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.