The band did not reveal the illness.
The Raven announced that drummer Joe Hasselvander will not be part of the band's upcoming tour due to a "serious and unexpected illness." The band did not provide further details about the musician's condition.
The band released the following statement:
“Due to a serious and unexpected illness, our drummer Joe Hasselvander will unfortunately be unable to play with us at the upcoming shows.”
“As you can imagine, the health and well-being of our partner and friend is paramount. However, to fulfill our obligations to our fans, we will be performing the upcoming shows with the assistance of some incredible substitute musicians who have volunteered to keep the show going.”
The band announced that the replacements will be Jimmy Mess from Tattooed Millionaires, Mike Heller from Fear Factory, and Dave Chedrick from Kill Ritual.