Scientists examining mysterious neurological symptoms suffered by US diplomats in Cuba say they still can't point-point a cause.
A new study by a team of blast injury experts finds all 25 victims studied show signs of inner ear damage
The diplomats reported hearing a high-pitched sound or feeling a sensation of pressure before most experienced dizziness.
Carey Balaban from the University of Pittsburgh says the report does not rule out a sonic weapon as responsible for the injuries.
IN: "We can…
OUT: … or inadvertent"
DUR: 17 seconds
CLIP: http://fsnradionews.com/feeds/1212Cuba-Balaban.mp3