Samba-dancing Usain Bolt says he's relaxed before Olympic showdown - video

Usain Bolt shows off his dancing skills at a press conference on Monday where he says he is relaxed about defending his 100-metre title at the Rio Olympics. The six-time Olympic gold medalist took to the stage with a team of dancers at a sponsors event. Next week he will aim to defend his 100m and 200m titles along with the 4x100m relay with the Jamaica team