Police in Ellsworth, Maine, said the 13-year-old girl who vanished Wednesday checked herself into a hospital sometime Thursday afternoon. 

Police did not detail Khaitlynn Prosser's condition.

Earlier, The Ellsworth American reported that police were in a “full-court press” to find the teen.

The girl was reportedly seen hitchhiking and getting into a dark car, which was posted on the Ellsworth Police Department’s Facebook page.