Ethan Guo, a content creator, said that he has been effectively trapped at a Chilean base since June. The authorities had said he landed there without permission.

Guo's attorney said the pilot received "explicit, direct permission" to land at a Chilean base. But upon landing, Guo was arrested and charged with providing false flight information, according to Chilean officials, who said he did not have a permit and "violated international regulations regarding the Antarctica continent."

SANTIAGO, Chile -- What was intended as a fundraising mission for cancer research has become a nightmare for American teen influencer Ethan Guo, who has been stuck since June in a remote location in Chilean territory in Antarctica.