On Nightline Africa: Calls on South Africa to arrest Russian President Vladimir Putin ease after the Kremlin said the East European leader will virtually attend the upcoming BRICS nations summit to be hosted by President Cyril Ramaphosa. Plus, Elisabeth Valerio, Zimbabwe’s only female presidential candidate for the August 23 elections, intensifies her campaign in a bid to defeat incumbent President Emmerson Mnangagwa. This and more on today’s Nightline Africa!