The state Fire Marshal’s Office said an apartment fire in Dunbar over the weekend that injured several residents has been ruled an arson. Dispatchers reported the front entrance of the 800 building in the Grandview Pointe apartment complex caught fire about 4:30 a.m. Saturday. Jason Baltic with the state Fire Marshal’s Office said the fire was caused by arson. Emergency service workers said residents were able to escape the blaze, but multiple people were hospitalized due to smoke inhalation.