Jonathan Edwards hosts live coverage from Birmingham. A star-studded field is promised at the National Indoor Arena with the world championships in Doha approaching. Among the British athletes competing are world heptathlete champion Jessica Ennis, world 800m bronze medallist Jenny Meadows and world triple jump champion Phillips Idowu. Olympic champion runner Keninisa Bekele and world 100m gold medallist Carmelita Jeter also compete. Mike Costello, Steve Backley and Ronald McIntosh commentate