UPDATE (10:57 p.m.) - The SLO County Sheriff's Office confirms one man has died. Authorities say one vehicle with 4 people were involved.
One patient was airlifted to Marian Regional Medical Center according to officials. It unknown the extent of their injuries.
Two others have refused medical treatment.
ORIGINAL STORY (10:57 p.m.) - Several emergency crews are responding to reports of a traffic collision off Huasna Road in Arroyo Grande.
Cal Fire SLO says a Jeep rolled over on the 9800 block of Huasna Road.
The extent of the injuries and victims involved is unknown at this time, but CalStar has been request to transport patient(s) to the hospital.
It's unclear if there are any road closures as a result of this collision at this time.
This is a developing story. Check back later for more details.