Diana Nyad managed to stand unaided as she arrived at Smathers Beach in Key West after swimming for almost 53 hours.
The 64-year-old has become the first person to complete the swim from Cuba to Florida without using a shark cage.
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Dr James Goodman underwent the procedure on his tongue at the Royal Marsden NHS Hospital.
The boat is carrying 224 migrants the Italian coastguard had assigned to Libyan authorities to rescue.
South Korea said the reunions will take place at North Korea’s Diamond Mountain resort in August.