Day 7 of the Olympics brought many surprises. Everyone's favourite Tennis star Novak Djokovic is out. PV Sindhu storms into semifinals and Lovlina Borgohain has assured India of a second medal. American gymnast Simone Biles' statement on 'twisties', has further raised questions about her withdrawal from the games. Wondering what these 'twisties' are?

Sidney Kiran brings you today's top action and gives you a heads up for the events to watch out for tomorrow.