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Coverage from British Athletics' World Championship team trials at the Alexander Stadium in Birmingham. On the first day of competition, Britain's best athletes will be looking to book their spots in Sunday's finals, in which they will be hoping to be named as national champion as well as securing a place at August's World Championships in London. Gabby will be joined by Colin Jackson, Denise Lewis and Toni Minichello for expert analysis, while commentary comes from Steve Cram, Steve Backley, Paula Radcliffe and Andrew Cotter.