Assistant Federal Treasurer Michael Sukkar has denied any involvement in branch stacking.

Last year Michael Sukkar was accused of branch stacking in the Liberal Party, but was later cleared.

Now, emails obtained by 60 Minutes allege Mr Sukkar was aware of and allegedly participated in branch stacking.

Mr Sukkar told Ben Fordham no one in his office was involved in branch stacking.

“I can assure you and your listeners that these matters were thoroughly investigated.”

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Image: Getty/Sam Mooy