WESTBROOK — Fifteen people were displaced by an apartment building fire today.

There were no injures in the fire at 402 Main St., a three-story building with seven apartment units. The fire, which was reported about 7:25 a.m., caused fire and smoke damage to one unit. The other areas of the building suffered from minor smoke and water damage. 

The Fire Department and Police Department have not determined the cause. The fire remains under investigation.