A Fullerton apartment building caught on fire Thursday, according to the Orange County Register.
The fire occurred at the Fullerton City Lights apartment complex located at the 200 block of East Commonwealth Avenue.
The fire was reported at 11:43 a.m., according to authorities, and was extinguished around noon with the help from Fullerton, Brea and Anaheim firefighters, according to the Register.
The third floor was evacuated while the rest of the residents remained safe inside.
A man was taken to a hospital while no other injuries were reported.
The cause of the fire is believed to be a minor hoarding situation in the unit that caught fire.