NTSB: Norfolk Southern Tried To Obstruct East Palestine Probe

The chair of the National Transportation Safety Board on Tuesday condemned Norfolk Southern for interfering with its investigation into last year's East Palestine train crash and the "vent and burn" of harmful chemicals that followed.

The remarks came at the final NTSB hearing on the disaster, in which the agency released a preliminary report—damning to Norfolk Southern and its contractors—from a 17-month investigation. NTSB officials explained that a decision to intentionally burn vinyl chloride...