Chinese tennis star Peng Shuai has reassured Olympic officials she is safe and well in a video call made today. The International Olympic Committee (IOC) confirmed that the 35-year-old called on Sunday amid growing fears over her safety after she accused a former leading Communist Party official of sexual assault. The former doubles world number had not been seen or heard from publicly since she posted the accusation on Chinese social media that former vice-premier Zhang Gaoli, now in his 70s, had 'forced' her into sex during a long-term on-off relationship. Neither Zhang nor the Chinese government have commented on…