Ashes: Oz pin hopes on Smith again, lead by 34
Birmingham : Australia hold a 34-run lead at the end of Day 3 with Steve Smith and Travis Head in the middle.
Smith is four runs away from crossing fifty for the second time in the match. Quick wickets will be top priority for England when they start Day 4 and they will be looking to rein in Smith as much as possible.
Stuard Broad gave England the early breakthrough by dismissing David Warner for eight runs in the third over of the Australian second innings.
Warner's opening partner Cameron Bancroft did not last long after that, falling to Moeen Ali for seven in the 10th. However Smith and Usman Khawaja then held up fort and ensured that Australia got close to England's total.
Khawaja was more aggressive of the two, racing to 40 off 48 balls and his innings was punctuated by six fours. He fell to Ben Stokes after he got an inside edge that travelled to wicketkeeper Jonny Bairstow.
Smith then found able company in Travis Head and the pair put up 49 for the fourth wicket before bad light called for early stumps.
Earlier, England's tail battled hard to extend their lead to 90 as Australia dismissed them for 374 on Day 3 of the first Ashes Test at the Edgbaston Cricket Ground on Saturday.
Brief scores: 1st innings: Australia 284 all out (Steve Smith 144, Broad 5/86) vs England 374 all out (Rory Burns 133, Nathan Lyon 3/112).
2nd innings: Australia 124/3 (Steve Smith 46, Stuart Broad 1/26).