The mysterious so-called Havana syndrome symptoms experienced by US diplomats in recent years have been linked to a Russian intelligence unit, according to a joint media investigation released on Monday.
Havana syndrome was first reported in 2016 when US diplomats in Cuba’s capital reported falling ill and hearing piercing sounds at night, prompting speculation of an attack by a foreign entity using an unspecified sonar weapon.
Other symptoms including bloody noses, headaches and vision problems were later reported by embassy staff in China, Europe and the US capital, Washington DC.
The diplomats may have been targeted by Russian sonic weaponry, according to the joint report by The Insider, Der Spiegel and CBS’s 60 Minutes.
The year-long investigation “uncovered evidence suggesting that unexplained anomalous health incidents, also known as Havana Syndrome, may have their origin in the use of directed energy weapons wielded by members of (the Russian GRU) Unit 29155,” the report said.
Russia’s 29155 unit is responsible for foreign operations and has been blamed for several international incidents, including the attempted poisoning of the defector Sergei Skripal in Britain in 2018.
Moscow dismissed the allegations as “groundless” on Monday.
“This topic has been talked up in the press for many years already. And from the very beginning most often it’s linked to the Russian side,” the Kremlin spokesperson Dmitry Peskov told a news conference.
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