SPRINGVILLE, California - Tulare County fire is investigating a house fire in Springville.
The fire broke out just before 5 a.m.
Officials tell us detectives found butane canisters inside the home, which is consistent with a honey oil lab.
Three people inside the house were taken to CRMC. A 36-years-old man is currently in critical condition, a 25-year-old pregnant woman is in fair condition, and a 15-month-old boy is in critical condition.
We're told the house burned to the ground; firefighters were able to save a detached garage.
Detectives plan to search the property once the fire is completely out.