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Cape Town: Simon Harmer and Dale Steyn shared seven wickets to negate a lengthy rain delay and set South Africa up for victory over the West Indies in the third and final Test at Newlands on Monday.
Harmer took 4-82 and claimed the key wicket of top-scorer Marlon Samuels (74), helping Steyn to run through the West Indian middle and lower order and bowl the tourists out for 215 in their second innings.
Needing just 124 runs to win the match and claim a 2-0 series victory, South Africa went to stumps on 9-1 after Alviro Petersen was bowled by Sulieman Benn for a duck.
Persistent rain meant that no play was possible during the morning, but it finally gave way to sunshine after lunch and, after an extensive mop-up operation, the umpires scheduled a 53-over extended session.
Leon Johnson and Marlon Samuels had been largely untroubled by conditions on the third evening as they added an unbroken 61 to leave West Indies 88-2 overnight, but the fresh moisture gave the South African seam bowlers something to work with on day four.
Morne Morkel made it count in the third over when he had Johnson caught at slip for 44, but Samuels and Shivnarine Chanderpaul battled through a testing spell to find more benign conditions on the other side.
The pair put on 87 for the fourth wicket to move West Indies to 182-3 and plant a seed of doubt in the home crowd's minds, but it was not to last.
Once the door was broken, Steyn surged through with a 7.5-over spell that brought him three wickets for 23 runs, as a hint of reverse swing helped him bowl Jermaine Blackwood for 13, have Denesh Ramdin caught for a first-ball duck and then have Benn caught behind.
Steyn finished with figures of 3-75, as he and Harmer ended with identical match figures of 7-153, before Petersen's dismissal at the end of the day gave the West Indies a much-needed lift.
Brief scores
West Indies - 329 (Steyn 4-78, Harmer 3-71) and 215 (Samuels 74, Chanderpaul 50, Harmer 4-82, Steyn 3-75)
South Africa - 421 (De Villiers 148) and 9 for 1
Status - South Africa need 115 to win
