Royal fans have expressed concern after King Charles was forced to cancel several engagements following a "brief" visit to hospital on Friday.
The 76-year-old monarch experienced temporary side effects from his ongoing cancer treatment, which began early last year.
He was due to appear in Birmingham but will instead prioritise rest and recovery.
The King departed his London residence, Clarence House, on Friday morning to work from home at Highgrove House in Gloucestershire.
King Charles was admitted to hospital after suffering 'temporary side effects' from his cancer treatmentPAPalace sources described the setback as a "minor bump in the road".
Despite the palace assuring that the King's recovery is progressing as expected, royal watchers have united in sharing their concern.
Social media comments revealed a unanimous wish for the King to "take it easy" and not rush back to public duties.
One fan wrote: "His Majesty must take it easy and get better, we pray for him and wish him well. At this point him getting better is the most important thing."
The King's recovery is progressing as expected
PAAnother sympathised: "It must be exhausting dealing with both the illness and the treatment. It's tough to see people going through it, especially at his age."
Princess Anne made up part of the King's support system, visiting her brother on Friday morning just before he departed for Highgrove.
Anne was given a starring role as the King's Gold Stick-in-Waiting at his coronation.
She was seen greeting newly-crowned Charles with the words "Hello, old bean".
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King Charles was seen on Friday for the first time since leaving hospital after suffering side effects of cancer treatmentGettyThe Princess Royal has increased her engagements in recent months to support both her brother and the Princess of Wales during their cancer treatments.
Eyebrows have been raised that Sophie, Duchess of Edinburgh, has not been asked to help on major jobs despite sources telling the Sun she’s “chomping at the bit” to do more.
A statement from Buckingham Palace read: "Following scheduled and ongoing medical treatment for cancer this morning, The King experienced temporary side effects that required a short period of observation in hospital."
Well-wishers outside the palace on Friday were delighted to see King Charles waving.
