The following is an excerpt from BBC.com | September 17, 2017 |
The US is considering closing its embassy in Cuba after diplomatic staff reported health problems which Washington blames on a "sonic attack".
Secretary of State Rex Tillerson said a decision whether to shut to the mission in Havana was "under evaluation".
More than 20 staff suffered conditions ranging from mild brain trauma and hearing loss to dizziness and nausea.
US officials believe some kind of device was used to undermine their health. Cuba denies any involvement.
At least two Canadians have also been affected by similar symptoms.
"It's a very serious issue with respect to the harm that certain individuals have suffered," Mr Tillerson told CBS.
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