The incidents took place between 2016 and 2018, with diplomats describing symptoms including memory loss and sleep disturbance after hearing a ringing noise.

A rundown of the Latino-centric news from the first week of the new year.

The Biden administration says it will expand flights to Cuba, take steps to loosen restrictions on U.S. travelers to the island, and lift Trump-era restrictions on remittances that immigrants can send to people on the island.

The U.S. government announced Thursday that it would resume limited processing of immigrant visas in Havana more than four years after halting that service and removing most diplomats from Cuba over suspicions they had been targeted for mysterious attacks.

Authorities in Buenos Aires reported that at least 24 people have died since Wednesday as a result of a contaminated batch of cocaine. Over 80 persons were said to have been hospitalized, with some requiring the life-sustaining support of mechanical ventilators.

The first episode of season two of Belly of the Beast’s “The War On Cuba” centers on the so-called “Havana Syndrome,” in which U.S. diplomatic personnel in the Cuban capital reported “sonic attacks” that caused health issues, and the “flames of hysteria” fanned by the U.S. media.

The United States extradited a high-profile business associate of the Venezuelan government on Saturday to face money laundering charges. Venezuelan President Nicolas Maduro responded by suspending negotiations with the opposition.

The elections flipped the National Assembly, the last opposition-controlled branch of government, to Maduro’s United Socialist Party of Venezuela and allied parties.

Authorities did not provide details of the murders.

The Canadian ambassador will remain in Cuba, and consular services will continue despite the reduction in staff.