US athlete Grant Fisher breaks two indoor world records in same week

Just six days after he broke the indoor 3,000-meter world record, US middle-distance star Grant Fisher was once again celebrating on Friday, as he smashed the 5,000-meter indoor world record to cap off a dream week.

​ Just six days after he broke the indoor 3,000-meter world record, US middle-distance star Grant Fisher was once again celebrating on Friday, as he smashed the 5,000-meter indoor world record to cap off a dream week. Read More Breaking News, Latest News and Videos | CNN