ZAMBIA’s sensational female 400 meters runner Rhoda Njobvu says she is hungry for more success after winning a gold medal at the ongoing ASA Athletics Grand Prix continental tour challenge in Botswana. Njobvu clocked 52.25 seconds to win a gold medal and set a new personal best time from her previous feat of 52.64 seconds recorded in South Africa. Speaking in an interview on Thursday from Botswana, Njobvu said her hard work in training was finally paying off. “Well, I am very excited about my achievement as you know, it’s been barely a month since I decided to switch from competing in the 100m and 200m to 400m. I have been making positive improvements every time I compete. Winning a...