Video. Three years ago Jackie Cobbell swam the English Channel despite being repeatedly knocked off course by powerful currents. It took her 28 hours - the slowest crossing ever.
Well, tonight she's back in the record books after joining an international cold-water swimming team to cross the Bering Strait from Russia to America. John Ryall has been to meet her.
More top news
Philippa has Sunday's weather for the east
Philippa has Sunday's weather for the west
After a dry start, sunshine will become increasingly hazy as cloud thickens, bringing patchy light rain to some parts.