Washington DC, July 6 -- Singer-songwriter Usher has cancelled the Australian leg of his Past Present Future global tour, reported People.

In a statement issued via Ticketek, Live Nation confirmed, "The promoter of USHER's Australian Tour regrets to advise that the scheduled shows to take place in November/ December, will no longer be proceeding."

Live Nation shared details on the refund process for Australian concertgoers, "All tickets purchased (including refundable ticket purchases, if relevant) will be automatically refunded in full to the original payment method used. Customers do not need to take any action. Customers should allow approximately 30 business days for the refund to appear in their account."

The R&B superstar was set...