Feb. 10 (UPI) -- Air Canada became the first scheduled airline to withdraw services to Cuba due to shortages of jet fuel as the United States tightened its energy embargo on the Caribbean island.

Canada's Montreal-headquartered flag-carrier announced Monday it was suspending its 16 weekly flights serving Havana and three other cities, effectively immediately, but said it would send aircraft to bring home 3,000 customers already in Cuba.

"For remaining flights, Air Canada will tanker in extra fuel and make technical stops as necessary to refuel on the return journey, if necessary," the airline said.

Airlines in Russia, where Cuba is also a top holiday destination, said they had no plans to change their schedules, but Russian media reported at least one Rossiya Airlines flight was canceled with the carrier instead dispatching an empty aircraft to collect Russian tourists.

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