The King has pledged to continue to serve the Commonwealth "to the best of my ability", in his annual address to the family of nations.Since his cancer diagnosis was announced on February 5, he has postponed all public-facing duties, but is continuing with behind-the-scenes work on his red boxes of state papers and holding some in-person meetings.Charles is receiving regular treatment for an undisclosed form of cancer, and recorded a video message for Commonwealth Day, to be marked by a Westmins

The King has pledged to continue to serve the Commonwealth "to the best of my ability", in his annual address to the family of nations.Since his cancer diagnosis was announced on February 5, he has postponed all public-facing duties, but is continuing with behind-the-scenes work on his red boxes of state papers and holding some in-person meetings.Charles is receiving regular treatment for an undisclosed form of cancer, and recorded a video message for Commonwealth Day, to be marked by a Westminster Abbey service later, which he will miss.