sentences:  Morceli held him off with El Guerrouj having to cede position and move in behind Morceli squeezing in front of defending champion, master tactician Fermin Cacho who was perfectly positioned directly behind Morceli.Two strides later El Guerrouj tripped and fell.Morceli took off sprinting at the same moment the rest of the field had to evade El Guerrouj's body on the track.