A blaze has erupted at Mint & Co restaurant in Carlton.

“The first trucks on scene had problems with access, but they have gained access now and have lines on the fire,” an MFB spokesperson said after the crews were alerted at 7:18am.

It’s not known what started the fire but five trucks an aerial appliance helped bring it under control before 8am.

CORRECTION: An earlier version of this article reported the building was La Mama theatre.