Singer Justin Bieber has revealed he is suffering from facial paralysis after cancelling shows this week.

The 28-year-old said in an Instagram video that the condition is due to a diagnosis of Ramsay Hunt syndrome.

Medical experts say Ramsay Hunt syndrome is when a shingles outbreak affects the facial nerve near someone’s ears,

Earlier this week, Bieber’s Justice World Tour – which began in February – announced three shows would be postponed.