SOUTH BEND, Ind. — Fire crews in South Bend responded to a fire at the former Extreme Family Grub and Hub around 4 a.m. Tuesday morning on Mishawaka Avenue near Ironwood.

When crews arrived they found smoke coming from the roof of the building. They had to force entry through the back of the building. Once inside, the found a fire in the ceiling.

Officials say the building is vacant because it is being renovated.

Firefighters estimate the fire caused $6,000 in damage.

There were no injuries reported.

The cause of the fire is under investigation.