Rain aids England after Smith century

There was controversy early on this morning as Graeme Smith, batting on 15 at the time, appeared to edge Ryan Sidebottom..•Getty Images

Sidebottom, Alastair Cook and Kevin Pietersen appeal for Smith's wicket, as Ashwell Prince looks on•Getty Images

Stuart Broad struck in the very next over, removing Prince•Getty Images

Smith hit 16 boundaries during his well-paced innings•Getty Images

After the early breakthrough, Broad had a frustrating day in the field despite the useful conditions•Getty Images

Sidebottom eventually had cause to celebrate when he had Smith caught at slip to bag his first wicket of the Test•Getty Images

Umpire Steve Davis trudges mournfully through the drizzle on the second afternoon at the Wanderers. •Getty Images

... the England team, hearing a noise, appealed enthusiastically for the catch.•Getty Images

Andrew Strauss requested a review after Smith was given not out by the on-field umpire•Getty Images

Prince looked back as the ball flew off the edge to Graeme Swann in the slips•Getty Images

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James Anderson went wicketless on the second day, as Smith and Amla compiled a dominating partnership•Getty Images

Smith's 105 lasted 187 balls•Getty Images

Jacques Kallis survived a tricky period in murky conditions after the rain break•Getty Images

England's frustration was evident as Smith was ruled not out despite their use of a referral•Getty Images

Broad celebrated Prince's downfall in typically abrasive fashion•Getty Images

Smith and Amla batted well together and put on 165 for the second wicket to leave England in trouble•Getty Images

Smith compiled a superb hundred to leave his side in control of the Test•Getty Images

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Only 23 deliveries were possible before Umpires Steve Davis and Tony Hill had the lightmetre out and play was called off once again•Getty Images