According to the California Highway Patrol Traffic Incident Information Page and scanner traffic, a single vehicle is partially blocking Highway 1 south of Point Arena.
The CHP Incident page describes the vehicle blocking the southbound lane of Highway 1 and partially blocking the northbound lane.
Both ground and air ambulance have been requested to the incident.
UPDATE 8:08 a.m.: The CHP Incident page indicates minor injuries are associated with this collision.
Please remember that this story is unfolding. Information is being reported as we gather it. However, some of the information coming from witnesses and initial official reports could be wrong. We will do our best to get the facts but, in the case that something is inaccurate, we will update with correct information as soon as we can