‘Havana syndrome’ not caused by foreign adversary, US intelligence says

The involvement of overseas foes in anomalous health incidents' suffered by US diplomats and spies was deemed very unlikely'

The mysterious set of symptoms known as Havana syndrome" was not caused by an energy weapon or foreign adversary, US intelligence has concluded.

The assessment concludes a multi-year investigation into approximately 1,000 anomalous health incidents" (AHIs) among US diplomats, spies and other employees in US embassies and missions around the world.