Princess Anne saw her brother King Charles in London after he was hospitalized for side effects connected to his treatment for cancer.

On Friday morning, Princess Anne was seen leaving Clarence House in a black Bentley just moments before King Charles pulled out in a black Audi while waving out the window to well-wishes. According to Hello!, it is believed that the king is heading to his Highgrove estate in Gloucestershire.

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,