Lyles helps USA to world indoor 4x400 podium in possible Paris preview
LaFond flies to Dominica's first world athletics gold medal at indoor championships
Dutch runner Femke Bol smashes her own 400-metre indoor world record
I'll quit long jump if rules are changed, says world champion Tentoglou
Coleman edges Lyles to win World Indoor 60m title, Crouser adds to shot put medal haul
