US metal outfit Once Human have cancelled their upcoming Australian tour following allegations against recently-sacked lease holder of Sydney's Bald Faced Stag, Scott Mackenzie. 

Mackenzie, who has been accused of stealing money from bands who performed at the Leichhardt venue over the last ten months, also headed up and financed new touring company, Stag Music Touring. 

The company's first tour was to be Once Human.

"It is with a heavy heart that we must announce the Once Human Evolution Tour including the Blood Oath Festival are officially cancelled," a statement from a former employee of Stag Music Touring reads.

"The former company owner of Stag Music Touring Australia, Scott Mackenzie, was not able to fulfil his contractual obligations after recent allegations surfaced about him regarding fraudulent activity.

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"While the rest of us tried everything we could to salvage the tour and have someone take over it was just not possible in such a short space of time. We are absolutely devastated. Sincerest apologies to all the fans. 

"Refunds will be issued at point of purchase (Oztix/Moshtix). Many thanks to all the bands, venues and ticketing outlets for your support, patience and understanding through these difficult times."

Meanwhile, Swedish band PAIN's May tour of the country is in jeopardy as it was also to be presented by Stag Music Touring. 

The metal industrial act are currently looking for a new promoter to take over the tour.

The Music has reached out to Mackenzie for comment.