BTS’s label Big Hit is not announcing a postponement of the K-Pop superstars’ stadium tour of the U.S., but they do “anticipate having to make changes to the current tour schedule.”

BTS has one of the year’s most-anticipated tours, with 15 stadium shows between 4/25 in Santa Clara, Calif., and 6/6 in Chicago.

In a statement posted on the Twitter, the company wrote: “We are making every effort to proceed with the planned performances where possible, however, details on any changes will be provided separately for each region.” Decisions on postponements will be based government and concert venue policies.

Live Nation has delayed the onsale for the Map Of The Soul Tour – Europe. Presales begin 4/29 with general on-sale beginning 5/1. Those dates may change again.