World Indoor Championships Day 1

Athletics. Hazel Irvine introduces coverage from day one of the World Indoor Athletics Championships in Valencia. Dwain Chambers is expected to challenge for gold in the 60 metres following his controversial selection to the British team, and Carolina Kluft's withdrawal through injury has further boosted Kelly Sotherton's hopes of success in the Pentathlon. Commentary comes from Steve Cram, Paul Dickenson and Jonathan Edwards.