Man in camper explosion died Wednesday

The man who was seriously injured when a camper exploded in Richland County on Monday has died.  

71 year-old Michael Freiderichs died Wednesday at a Fargo hospital according to Richland County Sheriff Larry Leshovsky says

The explosion happened Tuesday evening near Dwight, about 10 miles northwest of Wahpeton.  Friederichs was inside the camper when it exploded up and caught fire.

The cause of the blast remains under investigation by the North Dakota Fire Marshal.