MASTODON are sorry to inform fans that the upcoming summer tour, scheduled to launch in Germany, 05 June and be completed in Finland, July 03, is canceled.

Guitarist Bill Kelleher, was diagnosed with pancreatitis and doctors advise him to pursue further medication. Doctors are optimistic and expect full recovery in the coming weeks for Bill, as the band is eager to take part in the 'BlackDiamondSkye' tour, along with ALICE IN CHAINS and DEFTONES, scheduled to open in Chicago, September 16.

Source: Gr.SonisphereFestivals.Com