COMMONWEALTH and African 400m champion Muzala Samukonga has stormed to a massive Personal Best (PB) and National Record (NR) of 43.91 seconds to win the World Athletics Botswana Golden Grand Prix Challenge. London 2012 gold medallist Kirani James (44.76) and Botswana’s Leungo Scotch (44.92) trailed Samukonga to finish second and third respectively. Samukonga was in flying form in the men’s 400m final that had some of Africa’s finest in the heat to bag a gold medal. Samukonga sent the entire crowd at the Gaborone National Stadium into a frenzy when he brought his PB down from 44.66s, becoming the third African man to ever run sub 44 seconds after Kirane James, 43.76s, and van Niekerk who holds the world record...