Ashes fifth Test, day three AS IT HAPPENED: Steve Smith, Beau Webster build big first innings lead as England issues 'exposed'

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Australia building a good lead at the SCG with two days remaining and you just know England won't want to settle for a draw in this one.

We'll catch you back here tomorrow morning for more Ashes action.

Jacks bowls the final over of the day for England.

Webster almost puts himself in danger of a run-out, but a poor throw allows the big all-rounder to scurry back in time.

Plenty of fielders around the bat, but Webster does a good job to see it out and gets a couple of runs down to third-man from the final ball, taking his score to 42.

Australia hold a 134-run lead with three wickets in hand.

Jacks drops it in short - an absolute pie, in fairness - for Webster to cream to the rope.

"The part-time spin is starting to be exposed," Kerry O'Keeffe said on Fox Cricket.

This partnership between Smith and Webster has moved into the 70s already.

Australia bring up 500 runs in the first innings after a single from Webster.

Smith bangs a beautiful cover drive for a boundary the next ball off Tongue's bowling.

Decent lead building for the hosts at the SCG.

Jacks getting an opportunity to bowl some of his off-spin late in the day.

"There is turn and bounce and there's still two days to go, but neither team has picked a specialist spinner," Kerry O'Keeffe said on Fox Cricket.

He gets on to spin back into Webster's pads and England go up in appeal, but the umpire turns it down and the visitors have no reviews left to use.

Australia's lead has gone past the 100-run mark in the first innings.

Things are getting dire for England late on day three.

Another famous face spotted in the crowd, with Swans coach Dean Cox enjoying a beer out of a wine glass and enjoying the day's play.

Webster is starting to find his groove now and the bowling from Potts is helping him.

Potts drops in a short ball to Smith and the skipper launches it for a boundary to square-leg as he continues to dominate on his home turf.

The right-armer bowls a wide delivery over the top of Smith's head and the ugly short stuff continues late on day three at the SCG.

A few lads getting into their work at a bucks party at the SCG.

Not the worst way to enjoy the occasion!

Smith is getting more and more annoyed with the movement in the crowd, which has been consistently distracting him throughout the day.

Potts returns to the attack and immediately drops it in short outside off-stump and Smith scoops it towards third man, but the ball lands safely in front of Crawley.

The right-arm seamer sprays a ball a mile down leg-side later in the over, but the umpire doesn't call it a wide - much to the surprise of the commentators.

"Hello, are you awake there Chris Gaffaney?" Mark Waugh said on Fox Cricket.

The umpires call for a drinks break with about 45 minutes left until stumps.

Smith is unbeaten on 110 with all-rounder Webster settling in on 9.