Steve Smith hit by Anrich Nortje bouncer, misses fielding duties on Day 4; Australia await update

Australia suffered a potential injury scare on Day 4 of the first Test against South Africa in Durban on Monday after Steve Smith was struck on the helmet by a short-pitched delivery from Anrich Nortje. The former Australia captain underwent an on-field concussion assessment and did not take the field when South Africa began their second innings.