St John’s [Antigua], June 24 (ANI): In a fine show of nerves and calm, Marco Jansen and Kagiso Rabada defied heroic spells by Roston Chase and Alzarri Joseph to extend their unbeaten run in the ongoing ICC T20 World Cup to seven matches and reaching the semifinals with a three-wicket win over West Indies at Antigua on Monday. With this victory, South Africa has ended their Super Eights campaign undefeated, with three wins in three matches. England is the other team to move to the semifinals, with two wins and a loss in three matches. West Indies, the hosts of the competition, have been knocked…