Bieber to resume tour after diagnosis

He recently postponed his remaining US dates, which are due to be rescheduled in due course.

Ramsay Hunt syndrome is due to viral reactivation and is one of 60 causes of facial palsy, or facial paralysis as it is known in the US.

Announcing the US postponements, a post from the tour's official Instagram account said the singer was "upbeat" and receiving "the best medical care possible".

The 27-year-old previously said he had been doing facial exercises to regain movement but it would still take time to recover.