premise: A Metro train struck two employees working on the track near the U.S. capital, Washington, D.C., on Thursday, killing one and critically injuring another, officials said.
  The workers, both men, were walking the tracks doing routine inspections when the accident took place in the morning.
  They were hit by an empty four-car train from Huntington to the Alexandria rail yard, which was near the Eisenhower Station, in Alexandria, Virginia, Metro spokeswoman Cathy Asato said.
  A section of the Yellow Line was shut down following the accident, and shuttle buses were used to transport passengers in several stations. Officials said the accident was under investigation.
   What was the result when a Metro train struck two employees?
hypothesis: killing one and critically injuring another