King Charles, 76, was photographed leaving his London home on March 28, making the first time he's been seen since his brief hospitalization for side effects of cancer treatment the previous day.

It was not the week’s end that King Charles, 76, was anticipating—the monarch was unexpectedly hospitalized on Thursday due to side effects from his cancer treatment. He was quickly released, with a royal source saying that this was “the most minor bump in the road that’s very much heading in the right direction,

King Charles' appointments were canceled after his "short period of observation in hospital," Buckingham Palace said.