Shoppers were not able to get into the Walmart in Dartmouth Crossing after a fire was lit in the bathroom.
Firefighters got the call at around 9:30 a.m. on Thursday.
When the fire alarm went off, customers and staff were able to get out of the store and there are no reported injuries.
Investigators believe someone lit the fire on purpose and are asking for any tips about it
Anyone with information or video store is asked to call police.
