(KRON) -- Two people were injured after an incident Monday afternoon at an assisted living facility in Walnut Creek, according to the Contra Costa County Fire Protection District. The two injured were working on a water heater. Officials said the incident happened around 1:54 p.m. The two workers w ere taken to the hospital with unknown injuries. There was neither an explosion nor fire in the incident, fire officials said. The incident happened at the assisted living facility, Tiffany Court of Walnut Creek. A look inside East Bay suburb’s first Japanese supermarket before it opens All residents living in the facility are safe after briefly evacuating the building as a precaution, the facility said. No injuries were reported among the residents. Tiffany Court of Walnut Creek is located at 1866 San Miguel Dr., just a few blocks east of the south portion of Broadway Plaza shopping center. ...read more read less