Woman hopes to complete third swim from Cuba to Florida

A 62-year-old woman is trying to complete a record swim from Cuba to Florida for a third time.

Diana Nyad hopes to complete the 103 mile journey on Tuesday.

She's swimming outside of a shark cage and faces muscle fatigue.

On Sunday, a storm blew her off course and into a school of jellyfish.

Nyad is being followed by an electronic device stored in a kayak that is supposed to keep the sharks away.

The device generates and electric field that is not noticeable to humans.

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