09/28/2013 11:17 EDT | Updated 11/28/2013 05:12 EST

Lunenburg fire guts 100-year-old building

Police say they're not treating as suspicious a

As the blaze roared Friday night, locals feared it would spread along the many wooden buildings on the waterfront. The crews were able to contain the fire to one building.  

The fire marshal will be on the scene Saturday to investigate the cause. 

Lunenburg was established in 1753 and the downtown is a UNESCO World Heritage Site.