Latest news from the eighth day of competition at the Rio Olympics on Saturday (times GMT): 1712 USAIN BOLT SHARES HIS THOUGHTS ON HIS 100M HEAT VICTORY "It wasn't the best start. "Hopefully tomorrow I'll come out and I'll feel much better, much smoother." 1500 TISHCHENKO THROUGH TO HEAVYWEIGHT FINALS Russian boxer Evgeny Tishchenko is through to the men's Olympic heavyweight boxing final after defeating Uzbek rival Rustam Tulaganov in a unanimous decision. 1644 MURRAY THROUGH TO TENNIS FINAL Defending champion and men's number two seed Andy Murray of Britain made light work of Kei Nishikori of Japan, dispatching the fourth seed 6-1 6-4 to move into the final of the tennis tournament. More...