US OSHA says it is investigating the deadly collapse of an Amazon warehouse in Illinois caused by a tornado; six workers died, one was injured, 45 were rescued (Annie Palmer/CNBC)

Annie Palmer / CNBC:
US OSHA says it is investigating the deadly collapse of an Amazon warehouse in Illinois caused by a tornado; six workers died, one was injured, 45 were rescued  —  - OSHA is investigating a collapse at an Amazon warehouse in Edwardsville, Illinois.  — The facility collapsed Friday …