Earlier this year the vocalist spent five weeks in a Prague prison – with almost no support for US authorities – as a result of fan Daniel Nosek's death, following a show in the Czech Republic in 2010.

But as Lamb of God prepare for their first tour since Blythe's release, drummer Chris Adler insists they won't modify the aggressive style of their performance. He points out the band's technical rider already specifies high levels of security attendance, and tells Billboard: "It's difficult for us to say this was something that was our fault, and that we should change how we're doing things. We're already trying to look out for those kind of incidents.