William Henry Letzkus died assisting in an attempt to save Donald R. De Vine and Monroe J. Coleman from suffocation, Pittsburgh, Pennsylvania, November 17, 1971. De Vine, 56, head regulator man, and Coleman, 35, laborer, were in a gas-line manhole when they collapsed from the effects of escaping gas. Letzkus, 38, regulator helper, and other workmen entered the manhole to try to remove DeVine and Coleman but were themselves affected by the gas. When Letzkus and the others were removed by firemen, none could be revived.
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