Former world number 4 tennis player Johanna Konta retires aged 30

Britain's former world number four Johanna Konta announced her retirement from tennis aged 30 on Wednesday. "My playing career has come to an end, and I am so incredibly grateful for the career it turned out to be," Konta said. She achieved a career-high ranking of world number four in 2017, after reaching the semi-finals at Wimbledon.