Buckingham Palace has announced the King’s first public engagement since his brief hospital admission last week. On Thursday, he was admitted to the London Clinic for observations after experiencing temporary side effects from his cancer treatment. He was forced to postpone a trip to Birmingham on Friday.

But aides have since revealed Charles, 76, will return to work this week as they confirm his first public engagement of the week. On Thursday, the King will celebrate the 80th anniversary of the Mission Aviation Fellowship (MAF) the humanitarian air operator, which flies to 14,000 remote destinations offering support to isolated communities. 

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