The 89-year-old King of Norway is Europe's oldest reigning monarch. ALBAWABA — Norway's royal palace says the 89-year-old King Harald V's condition has deteriorated as the king remains in the hospital, but authorities underline that he is responding to therapy... Key points and original sources are listed below.

• The 89-year-old King of Norway is Europe's oldest reigning monarch. He has been suffering from a blood condition.S1

• ALBAWABA — Norway's royal palace says the 89-year-old King Harald V's condition has deteriorated as the king remains in the hospital, but authorities underline that he is responding to therapy...S2

• OSLO, Aug 23 (Reuters) - The health of Norway's King Harald, 89, has deteriorated during the weekend while in hospital, the royal household said in a statement on Sunday.S3

• Norway's royal household says King Harald's health has ‌deteriorated during his stay in hospital while being treated for anaemia.S4