The U.S. Department of Transportation’s inspector general will launch an audit covering the collapse of a pedestrian bridge at Florida International University that killed six people last week.

The audit was requested by two top federal officials in dueling notices that hint at the political sensitivities of the tragedy. The bridge fell hours after a meeting was held at the construction site to discuss a crack discovered in the 950-ton concrete-and-steel span and two days after a voice mail was left — and missed — about the cracking, which was not deemed a danger.
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