Norway's royals have cancelled events to be by the side of ailing King Harald, whose condition has worsened while being treated for a blood infection. The 89-year-old monarch has been in hospital in Oslo since 17 August with a blood disorder as senior royals cancel their engagements. Key points and original sources are listed below.

• Norway's royals have cancelled events to be by the side of ailing King Harald, whose condition has worsened while being treated for a blood infection.S1

• The 89-year-old monarch has been in hospital in Oslo since 17 August with a blood disorder as senior royals cancel their engagements.S2