Coverage of the opening Diamond League meet of the 2023 season, with many of the world's best athletes in action at the Khalifa International Stadium in Doha.All eyes will be on Qatari star Mutaz Barshim, the reigning world and Olympic high jump champion, who memorably shared the gold medal at the Tokyo Games with Italian rival and friend Gianmarco Tamberi.Kenya's Faith Kipyegon will be the woman to watch in the 1500m – the 29-year-old is a double Olympic and world champion in the discipline, and holds seven of the fastest 20 times in history over the distance.And Great Britain's Holly Bradshaw, who won bronze in the pole vault in Tokyo, takes on a high-class field featuring world and Olympic champion Katie Moon of the USA.