Barack Obama has led the tributes to Nelson Mandela saying that South Africa's democracy is his 'cherished legacy.'
The 64-year-old woman who swam from Cuba to Florida without the aid of a shark cage is set to answer her critics over whether she cheated.
Cuba's revolutionary former leader Fidel Castro and Pope Benedict had a head-to-head on the pontiff's visit to Cuba.
US swimmer Diana Nyad said people should "never ever give up" after she completed her fifth attempt at swimming from Cuba to Florida without a shark cage.
Looking sunburnt and with a swollen face, Ms Nyad said she had "three messages" after swimming approximately 110 miles.
She continued: "One is we should never ever give up. Two is, you are never too old to chase your dreams.
"Three is, it looks like a solitary sport but it's a team..." before she collapsed her head onto her friend's shoulder.
US President Barack Obama has congratulated swimmer Diana Nyad after she became the first person to complete the journey from Cuba to Florida without a shark cage.
He wrote on Twitter:
Congratulations to @diananyad. Never give up on your dreams.
US veteran long-distance swimmer has achieved her dream to swim from Cuba to Florida without a shark cage on her fifth attempt.
Her support team wrote on Twitter that her victory "proves dreams do come true":
US veteran long-distance swimmer Diana Nyad has become the first person to complete the gruelling journey from Cuba to Florida without a shark cage.
Ms Nyad has arrived at Smather's Beach in Key West, Florida after more than 50 hours in the water.
Well-wishers have gathered on Smathers Beach in Key West to witness the final leg of Diana Nyad's journey from Cuba to Florida without a shark cage.
The US Coast Guard is escorting veteran long-distance swimmer Diana Nyad as she nears Smathers Beach in Key West - the end of her journey from Cuba to Florida.
Ms Nyad's team wrote on Twitter:
US swimmer Diana Nyad is less than two miles from completing her journey from Cuba to Florida without a shark cage.
Thousands of well-wishers are waiting on Smathers Beach in Key West, where she will complete her swim attempt.
The support team for US veteran long-distance swimmer Diana Nyad said they are posting Twitter updates "through tears and giddy smiles" as she nears the end of her epic Cuba to Florida journey:
Confession: We're posting through tears & giddy smiles & exhausted eyes after tens of thousands of page refreshes & no sleep. #XtremeDream
US swimmer Diana Nyad is just two miles from completing her Cuba to Florida swim without a shark cage.
After almost 50 hours swimming the Florida Strait, Ms Nyad said, "I am about to swim my last two miles in the ocean. This is a lifelong dream of mine and I'm very very glad to be with you."
She thanked her support team for their generosity, adding, "Let's get going so we can have a whopping party."
Ms Nyad also apologised for her speech, saying, "I have some bad abrasions in my mouth from the jellyfish mask, so excuse me if I have trouble talking."
Doctors said veteran long-distance swimmer Diana Nyad's tongue and lips are swollen as she makes the final push for the Florida coast.
Dr Kot and Dr Covington, part of Ms Nyad's support team, said her speech is slurred as a result of the swelling.
Although they are concerned about the 64 year old's airways, they have not intervened in her attempt at swimming from Cuba to Florida without a shark cage.