UPDATE (12:00 a.m.) - According to CHP, 22 year old Alejandra Castro was heading westbound on Los Osos Valley Road, when she drifted into the eastbound lane, causing the collision. CHP believes alcohol played a factor in the collision.
The collision is still under investigation, we will provide more information to this story as it becomes available.
UPDATE (6:10 p.m.) - Three people have been transported to the hospital following a head-on collision.
Initially, CAL FIRE SLO officials said there were five people involved, however, three people were located at the scene.
One person sustained major injuries, one had moderate injuries and another person sustained minor injuries, according to an update from CAL FIRE SLO.
Emergency crews have been cleared from the scene and the Level 1 MCI has been terminated.
ORIGINAL STORY (5:34 p.m.) - Emergency crews are having to extricate two people trapped inside their vehicles after a head-on collision Sunday evening, according to initial reports.
According to CAL FIRE SLO, a head-on collision near the intersection of Los Osos Valley Rd. (LOVR) and Foothill Blvd. was reported shortly after 5 p.m.
Two people are severely injured, one person has moderate injuries and two others have sustained minor injuries, according to initial reports from CAL FIRE SLO officials.
Based on protocols, emergency crews are declaring a Level 1 MCI (Mass Casualty Incident). In San Luis Obispo County, this is declared when there are at least three patients prior to triage and when the number/condition of patients require more emergency resources.
Drivers should expect major traffic delays in the area as several agencies respond to help the patients and clear the roadway of debris.
The San Luis Obispo City Fire Department is also aiding with the collision.
This is a developing story, check back later for details.