U2 just announced that had to undergo emergency back surgery as the result of an injury resulting from prepping for the tour planned to start on June 3rd in , so the start of the tour has already been postponed. From U2.com…

Following ’s unexpected back surgery earlier today, Nation confirmed that the 360° tour launch previously d for June 3rd in has been postponed.

fans with to the June 3rd event are encouraged to retain until updated show information can be provided.

Additional tour information will be forthcoming.