"FILE - This Aug. 14, 2015 file photo shows the U.S. embassy in Havana, Cuba. Cuba released details Sunday, June 10, 2018 on the latest mysterious health incident involving a U.S. diplomat in the country, saying officials learned of the episode late May 2018 when the U.S. said an embassy official felt ill after hearing ""undefined sounds"" in her home.  U.S. officials said June 8, 2018 that they had pulled two workers from Cuba and were testing them for possible brain injury.  (AP Photo/Desmond Boylan, File)"
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