Main Street in the village was closed this morning while four fire engines attend the scene of the blaze at a property.
“I want to commend the professionalism and bravery members of the fire service showed in attending the scene in Greyabbey this morning,” said Ms Armstrong.
“I hope those affected by the fire have a speedy and full recovery. It was also a real act of bravery of locals passing who went to help those trapped in the fire – they too deserve the utmost praise for their courage.
“In addition, I thank the public for their patience while the emergency services worked at the scene.”