Guitar legend Steve Vai has checked in with the following update:

“Dear friends and fans,
Unfortunately, recent heartbreaking events happened in Istanbul that forced us to take some measures for our shows in Istanbul (August 3rd), and as a result of scheduling Sofia, Bulgaria (August 5th). Both dates have been cancelled. We share our condolences with our fans and hope to see you in the very near future.”
To commemorate the 25th anniversary of his landmark album, Passion And Warfare, Steve Vai is currently in Europe on the first leg of his very special world tour celebrating one of the greatest instrumental rock guitar recordings of all time.