A medical emergency has forced Blink-182 to cancel all of their May 2012 tour dates, imcluding Quebec City. The band explained to fans via Facebook. They wrote:

Blink-182's drummer, Travis Barker, requires an urgent tonsillectomy with a recovery period expected to extend beyond the scheduled tour dates. The band apologizes for any inconvenience as a result of these cancelations and thanks their fans for their ongoing support.

The May 10th and 11th concerts at the Winstar Casino in Thackerville, OK have been rescheduled for September 13 and 14, 2012. All previously issued tickets will be honored on the new dates respectively. Refunds are available at point of purchase.

The following tour dates are cancelled and will not be rescheduled:

May 15 at Blue Cross Arena in Rochester, NY
May 17 at the Verizon Wireless Arena in Manchester, NH
May 18 at Mohegan Sun in Uncasville, CT
May 19 at The Bamboozle in Asbury Park, NJ (There are no refunds being offered for The Bamboozle)
May 20 at Sands Bethlehem Event Center in Bethlehem, PA
May 22 at Colisee Pepsi Arena in Quebec City, Canada.