Dina Asher-Smith already preparing for Olympic success after gold in Doha

• 200m final win is first global sprint title for a British woman• 'I still have things to work on ... hopefully there is more to come' Dina Asher-Smith believes that her stunning world 200m victory can be a springboard to Olympic glory next year - and expects to get even stronger and faster for Tokyo. She became the first British woman to win a global sprint title with a dominant display in Doha, charging home in 21.88sec to take gold and break her own national record in the process. It was...