Update: July 9 4:05 p.m.The Fairfield Police Department has identified the person killed in Saturdayâ??s train/pedestrian accident as Serenity Stone, 29, of Fairfield, Iowa. Ms. Stone was walking along the tracks at the time of the accident and no foul play was involved. -------------The BNSF Railway regional Director of Public Affairs Amy McBeth has given a statement to KTVO over the phone telling us that around 6:10 p.m. on Saturday, a BNSF train fatally struck a pedestrian. The train was halted by authorities until about 10 p.m.BNSF is assisting local investigators. The Fairfield Police Department has not released the victimâ??s name or given any other information regarding the incident, and it remains under investigation.