Complex sentence: Ten people were killed and 26 were injured, including Saunders who was thrown over a 2 story building over 300 feet--over the length of a football field--onto a concrete parking lot.
Split into simpler sentences: Ten people were killed and 26 were injured, including Saunders. Saunders was thrown 300 feet over a two-story building--the length of a football field--onto a concrete parking lot.