Six firefighters were injured after a four-alarm fire broke out at Juliette restaurant in Williamsburg Sunday evening, according to the FDNY.

The fire started inside the restaurant on North 5th Street, sending heavy smoke into the surrounding area.

Part of the building collapsed while firefighters were inside, according to fire officials.

Firefighters and paramedics were able to safely exit the building.

Fire crews remain at the scene Sunday morning assessing the aftermath.

The damage also impacted other businesses along the block of North 5th Street.

The cause of the fire is still under investigation.