UPDATE (9 a.m.) - CHP says the driver killed was a 72-year-old man from San Luis Obispo.
The driver of the Yukon has been identified as a 26-year-old woman from Arroyo Grande. Her name has not been released but CHP says she was arrested and suffered moderate injuries.
Her passenger was a year-and-a-half old, according to CHP, and suffered minor injuries.
UPDATE (7:41 p.m.): One person is dead and two people have moderate injuries after a multi-vehicle crash, according to authorities.
The San Luis Obispo CHP tells KSBY they received reports of a white Yukon XL driving recklessly around 6 p.m.
Officials say the Yukon was traveling northbound when it allegedly rammed another car, causing it to spin out.
The white Yukon then continued north on Highway 227 where for unknown reasons, it swerved into the southbound lane, crashing into a Honda SUV, according to the CHP.
The CHP says the driver of the Honda died on scene.
Authorities say a 22-year-old female was driving the Yukon and had a child in a car seat. Both are in the hospital with moderate injuries.
The CHP do not know if drugs or alcohol played a part in the crash. Anyone with information is asked to reach out to the SLO CHP.
ORIGINAL STORY: Emergency crews are responding to a multi-vehicle crash reported on State Route 227 in San Luis Obispo.
According to the CHP Incident Information Page, the collision was first reported about 6 p.m. Sunday near the Cold Canyon Landfill and involves three vehicles.
One of the cars is blocking both lanes and it appears two dogs have been injured in the crash, according the CHP Incident Information Page.
It is unclear how many people are involved and what their injuries are if any.
CHP, the San Luis Obispo County Sheriff's Office and CAL FIRE are on scene of the collision.
A KSBY photographer is on the way to the crash site.
This is a developing story, check back later for more details.