King Harald V of Norway is undergoing treatment for an infection according to the Norwegian royal household. The 85-year-old monarch is reported to be in a stable condition in hospital.
Last month the King and Queen of Norway recently traveled to London for an annual visit during which they met King Charles at Windsor Castle.
The private visit was confirmed by Norwegian media.
Britain and Norway’s royal families are known to be close with several unofficial visits held each year.
Ties between the two monarchies have built up since 1896 when Princess Maud of Wales married Prince Carl of Denmark who later became King and Queen of Norway.
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