Live athletics from the World Championships, hosted by Gabby Logan. It is the final of the men's high jump, with London 2012 bronze medallist Robbie Grabarz hoping to recapture the form of five years ago. One of the showpiece events of the night is the women's 5,000m final, in which Brit Laura Muir will be relishing the chance to test herself against a host of African middle-distance stars.