One person was taken to a hospital after a harmful substance in a hotel

(BCN) – One person tonight was taken to a hospital and five were treated outside a Walnut Creek hotel where the six complained of difficulty breathing and burning eyes and throats, fire officials said.

The first report of the incident came in at 8:57 p.m. at the Holiday Inn Express at 2730 N. Main St., near Interstate Highway 680.

More than 100 people were evacuated from the hotel, Contra Costa County Fire Protection District Fire Marshal Robert Marshall said.

The six who suffered symptoms told firefighters of a pepper-like odor in one of the hallways.

Crews were not able to locate any hazardous substance and as of 10:07 p.m. 50 people had returned to their rooms, Marshal said.