The Fresno Fire Department wrote on social media that the fire was burning in a two-story building off Blackstone Avenue between Dakota and Garland Avenues.
Fire officials said they had requested more firefighters to the scene, and that crews were working in "rescue mode."
Fresno Fire is on scene of a fire in a 2 story commercial structure on the 3700 block of Blackstone. A 2nd alarm has been requested and crews are working in rescue mode. pic.twitter.com/E0kFkoWVzG— Fresno Fire PIO (@FresnoFire) June 11, 2021
Further information on what sparked the fire wasn't immediately available.
Officials are asking drivers and residents to avoid the area while firefighters work to douse the flames.
This is a developing breaking news story. Stay with us for updates.