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Lamb Of God's manager Larry Mazer has hit out at Czech officials who have arrested frontman Randy Blythe on a manslaughter charge and kept him imprisoned despite bail being posted.

Blythe was taken into custody in Prague in June over charges dating back to an incident which took place in the city in 2010. Speaking to Czech website Blesk, Mazer stated that the charge is 'absurd' saying: "Randy should be released immediately. His lawyer told us so. In the US he would have been – you post the bail and you're free. Everybody is shocked. It's absurd. It seems like a bad joke – Randy did nothing wrong. He is innocent."

Claiming that he and the band had no idea the man at the centre of the case was even dead, Mazer continued: "Nobody contacted us in the last two years. My contact information is publicly available but I never heard from the family. We didn't even heard from the concert organiser. Nobody called us."

Adding: "The organiser now says the police contacted him three months after the boy died. I don’t understand why no one got in touch with us to let us know. He was in a coma and he died, and we never heard from anybody."

A bond of four million Czech koruna (£126,000) was paid to free Blythe earlier this week but, due to the way the legal system works in Czechoslovakia, the metal singer is still locked up until an appeal can be heard in full.

A court spokesman told the BBC that he believed it would take "several days" until Blythe was released from Prague's Pankrac prison.