Seoul's defense minister Jeong Kyeong-doo spoke with his French counterpart the same day, and expressed deep gratitude for the rescue, also sending his condolences for the fallen French soldiers.
The two French citizens, tourists Patrick Picque et Laurent Lassimouillas, as well as an unidentified South Korean national, arrived on the tarmac at Villacoublay military airport. The American, who has not been identified, was being repatriated separately.
French soldiers led a raid to rescue two tourists who had been kidnapped in the West African country of Burkina Faso, and ended up also freeing an American and a South Korean who they were unaware were being held.
A national tribute will be paid in Paris on Tuesday to the two soldiers who were killed during this intervention, which the French Foreign Minister described as "very complex".
In a statement, French President Emmanuel Macron congratulated the armed forces for successfully freeing the hostages and thanked the families of the deceased servicemen for their sacrifice.
Four kidnappers were killed in the raid, the French army said, adding that the United States military had provided intelligence.
When contacted by NPR about the operation Friday, the U.S. State Department did not offer a direct comment.
The French government had warned its citizens against traveling to parts of Benin near the Burkina Faso border because of the risk of kidnapping.
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The rescue operation came after security forces tracked the kidnappers across the semi-desert expanses of Burkina Faso to a camp on the border with Mali.
In his statement on Friday, Mr Macron promised support to Burkina Faso and Benin in fighting terrorism in the Sahel region.
The disfigured body of their tour guide was later found, along with their abandoned vehicle.
"Our thoughts are for the families of the soldiers and the soldiers who lost their (lives) to free us from this hell", he added, according to CNN affiliate BFMTV. The two women had been in the kidnappers' hands for 28 days.
A military ceremony for the commandos is planned for next week.
"The threat is evolving and has become much more mobile, and now countries to the south of Mali have become targets", Le Drian said Saturday.
The raid resulted in the death of two French soldiers.