Looks like Billie Joe Armstrong isn't going to return to Green Day anytime soon, so the band has announce that the remaining 2012 tour dates have been cancelled. Armstrong is still in rehab for substance abuse.

Green Day Bassist, Mike Dirnt said:

Obviously the timing for this isn't ideal, but Billie Joe's well-being is our main concern. We are happy to say that Billie Joe is doing well, and we want to thank you all for the outpouring of support and well wishes that we have received, and we can't wait to see you all again soon.

The cancellation also includes the dates for January and February 2013. In addition, the release date of the third album in their trilogy '¡Tré!' has been pushed up to December 11. The band says it's to make up to their fans for having to delay the tour.

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