Via the MTA’s blog:

At approximately 1:08 p.m. northbound Metro Gold Line train and auto collided at Glenarm crossing north of Mission Station. Car overturned and is currently blocking both tracks. One person in the auto reported injured. Southbound trains turning back from Del Mar and northbound trains turning back at Mission.

So far, no injuries have been reported from Gold Line passengers. *Update: “One male in the auto was transported to a local hospital; two passengers from the train were treated at the scene and released.”