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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Mnangagwa’s elevation comes amid news that ZANU-PF, the ruling party, has promised not to prosecute their former leader.
Some snow has fallen over parts of Scotland, northern England and Northern Ireland.
The treatment uses cancer-killing immune cells taken from donor blood, which are multiplied in the lab.