Secretary of State Rex Tillerson stated that U.S. diplomats in Havana had been the victims of “well being assaults” that left them with listening to loss — probably the most definitive U.S. assertion but on a collection of mysterious incidents which have puzzled longtime observers of U.S.-Cuban relations.

His feedback Friday got here two days after the State Division issued a vaguely worded assertion saying there had been “incidents which have brought about quite a lot of bodily signs.” U.S. officers later revealed that American diplomats had suffered unexplained losses of listening to, and on Thursday Canada’s authorities stated at the least one Canadian diplomat in Cuba additionally had been handled for listening to loss.

“We maintain the Cuban authorities chargeable for discovering out who’s finishing up these well being assaults on not simply our diplomats however, as you’ve got seen now, there are different instances with different diplomats concerned,” Tillerson stated in Bedminster, N.J., the place President Trump and members of his administration spoke to reporters.

Within the fall of 2016, a collection of U.S. diplomats started struggling unexplained losses of listening to, in response to officers with information of the case. A few of the diplomats’ signs have been so extreme that they have been pressured to cancel their excursions early and return to the USA, the officers stated.

The officers advised the Related Press that the listening to loss appeared to have been brought on by the deliberate use of some type of sonic system working outdoors the vary of audible sound.

Former diplomats and college students of U.S.-Cuba relations stated they discovered it inexplicable that Cuba would have tried to hurt U.S. and Canadian diplomats, notably within the fall of 2016 as President Obama was ending a second time period marked partly by the reopening of diplomatic relations with the island.

U.S. officers accustomed to the incidents stated they started to be reported final October, when most home and overseas observers anticipated Hillary Clinton to win the presidency and proceed Obama’s coverage of normalization with Cuba.

Attacking Canadian diplomats can be an inexplicable assault on one in every of Cuba’s most necessary buying and selling companions and the most important supply of vacationers to the island.

“There’d be no logic to the Cubans making an attempt to intentionally hurt U.S. or Canadian diplomats,” stated William LeoGrande, an American College skilled on Cuban overseas coverage. “It’d actually be unprecedented.”

The Cuban authorities stated in a prolonged assertion Wednesday that “Cuba has by no means permitted, nor will allow, that Cuban territory be used for any motion towards accredited diplomatic officers or their households, with no exception.”

Former U.S. and Canadian diplomats stated that they had been targets of low-degree harassment and intimidation by Cuban brokers within the Nineteen Eighties, Nineteen Nineties and 2000s, incidents that included assaults on diplomats’ pets and intimidating maneuvers akin to tailgating and flashing shiny lights into diplomats’ automobiles as they drove with their households late at night time.

“There have been issues like turning your electrical energy, turning off your water, getting into your house, leaving little reminders that they have been there. Issues can be misplaced,” stated John Caulfield, the top of the U.S. Pursuits Part in Cuba from 2011 to 2014.

The State Division’s Inspector Common wrote in a 2007 report that “life in Havana is life with a authorities that ‘lets you recognize it is hostile.’ Retaliations have ranged from the petty to the poisoning of household pets.”

“All staff are absolutely conscious that host authorities hostility extends to an elaborate, aggressive intelligence equipment,” the report stated.

Caulfield stated aggressive techniques largely stopped by late 2013 and 2014 as U.S. and Cuban officers secretly negotiated the diplomatic reopening introduced in December 2014, after his departure from Havana.

He stated he believed the likeliest rationalization for the diplomats’ mysterious deafness was “a brand new surveillance method gone dangerous that had penalties. I don’t consider they might randomly trigger hurt to this number of individuals.”