It has been reported that Ozzfest shows planned for Portugal, Switzerland, Denmark, Sweden, Finland and Russia have been cancelled.
Ozzy Osbourne did not appear at the recent Dublin Ozzfest due to a throat infection, but it is rumoured that these cancellations are due to the illness of a member of his backing band.
Osbourne performed at the Queen's Jubilee celebration in London on 3 June.
North American Ozzfest dates will go ahead, starting in Virginia on 6 July.
