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25 September 2012, 17:38
The 'Looking 4 Myself' star's commitments on The Voice mean the tour, including UK dates, will move to later in the year.
Usher has postponed all of the dates on the European leg of his 'Euphoria' tour, it's been announced.
The 'Climax' star had been due to kick off the tour, which includes several UK arena dates, in January, but those will now be pushed back until later in the year due to his recently confirmed commitment to The Voice.
A statement from promoters Live Nation said: "The rescheduled 'Euphoria' tour dates will be announced next year.
"Fans who have purchased tickets to the previously scheduled dates should return their ticket for refund at point of purchase. Tickets for the previously scheduled performances will not be valid at the rescheduled events."
Usher was among the performers at the iTunes Festival this month:
Usher said: "The feeling of euphoria that I get when performing for you is indescribable. I love each and every one of you and thank you for being there every step of the way.
"I truly appreciate and am grateful for your support while I take this time to focus on my children and continue to evolve with my fans. Evolve or evaporate."
Usher released his latest album 'Looking 4 Myself' earlier this year.