(Woodburn, OR)  --  One person is seriously injured following a fiery crash between two semi-trucks near Woodburn.  The Oregon State Police says the crash happened yesterday afternoon on southbound I-5 when a Freightliner truck sideswiped a Volvo semi-trailer parked on the shoulder of the highway.  Both semi-trucks then erupted into flames.  The 51-year-old man driving the Freightliner was rushed to a Portland hospital.  The driver and passenger in the Volvo semi were not injured.