Katie Ledecky breaks 800m freestyle world record almost a decade after setting it

Katie Ledecky produced a scintillating swim to break yet another world record on Saturday, this time in the women’s 800m freestyle, lowering the mark she set almost a decade ago at the 2016 Rio Olympics.

​ Katie Ledecky produced a scintillating swim to break yet another world record on Saturday, this time in the women’s 800m freestyle, lowering the mark she set almost a decade ago at the 2016 Rio Olympics. Read More Breaking News, Latest News and Videos | CNN