Ohio man dies during air quality test inside railroad tanker

A 35-year-old man from Cleveland died on Friday while conducting an air quality test inside a railroad tanker in Twinsburg, Ohio. The incident occurred around 9:40 a.m. when the man, identified as Dalion Ambler, became unresponsive. Two colleagues outside the tank attempted to assist him. Emergency responders found that Ambler died from an oxygen-deficient atmosphere inside the tank. The incident is under investigation, and no other injuries were reported.