Jamaica's Leford Green (left) in action in the second heat of the men's 400 metres hurdles yesterday. Green advanced to today's semi-finals as one of the fastest losers after he placed fifth in 49.33 seconds. At right is American Michael Tinsley who was second and at centre, South Africa's L.J. Van Zyl, who placed fourth. Kenya's Boniface Tumuti (not in photograph) won the heat in 48.79.