LONDON, June 24 -- Spirited Pakistan made an emphatic comeback from their dismal performance against India last week with a 49-run victory over South Africa in the 30th match of the World Cup at Lord's Cricket Ground here on Sunday. For both teams, the fixture was a fight for survival. Neither of them had won more than one game so far, but Pakistan had a match in hand and a slightly better chance of making the semi-finals. Chasing a formidable target of 309, South Africa struggled hard to meet the target. The opening batsmen, particularly skipper Faf du Plessis and Quinton de Kock's 87-run partnership set the stage for what could have been an easy innings for the Proteas batsmen. But after de Kock's wicket, none of the South African batsm...