A fire broke out in a home in Castro Valley, prompting a significant response from the Alameda County Fire Department. The fire, which started in a residence characterized as a hoarder's home, reached three-alarm status and spread to other structures. One firefighter was injured while battling the blaze, and six people were displaced as a result of the fire.

m. Further details about the fire are available from the Alameda County Fire Department, which reported on the incident. For more information, readers can consult the original source.