GB's Edmund loses to Marin Cilic in semi-final
Sixth seed from Croatia wins 6-2 7-6 (7-4) 6-2
Edmund seemed to be battling leg injury
Cilic will face Federer or Chung in Sunday's final
Halep & Wozniacki win women's semis
*Halep 6-3 4-6 6-6 Kerber
Supremely good from Simona Halep, thrashing a backhand wide of a charging Kerber.
Kerber then stays in the most amazing rally, the ball going up in teh air, Halep pushing and pushing - and she wins the point!
Halep 6-3 4-6 5-6 Kerber*
Kerber crouches and returns, Halep darts forward and thrashes a forehand winner over!
Deuce.
Halep 6-3 4-6 5-6 Kerber*
Halep drags Kerber up and down behind the baseline, and Kerber's backhand drifts long!
First match point is saved.
Halep 6-3 4-6 5-6 Kerber*
Halep strays with the forehand. 30-15 to Kerber.
What a time to find that big serve! Halep's response is loose, and Kerber can steady herself for the big winner.
Two match points to Angelique Kerber...
Halep 6-3 4-6 5-6 Kerber*
Another outrageous point, Kerber looking out of it as she's stuck at the back of court and Halep unfurls a drop shot.
Kerber runs it down though with astonishing speed, then smashes away Halep's response for 15-0.
Down the line goes Halep in reply! 15-15.
Halep 6-3 4-6 5-6 Kerber*
What a match. High quality tennis from two of the best competitors you could wish to watch.
The crowd get to their feet as Kerber and Halep get up from their chairs. Here's Angelique Kerber, serving for the match.
Halep 6-3 4-6 5-6 Kerber*
Wide down the line from Simona Halep!
Angelique Kerber breaks! If she holds her serve, she's into the Australian Open final!
Image source, AFP*Halep 6-3 4-6 5-5 Kerber
The ball feels the brunt of Simona Halep's fury as she corks down an ace.
Halep draws the error out of Angelique Kerber's backhand, but Kerber slices a backhand and Halep misses!
Break point to the German...
*Halep 6-3 4-6 5-5 Kerber
Halep applauds her opponent as Kerber plays a drop shot and the Romanian nets her reply.
Crunching forehand from Kerber outpaces Halep, who lashes her return long. Kerber holds, and Halep can't believe it.
Halep 6-3 4-6 5-4 Kerber*
Into the net goes a Halep backhand to give Kerber the second advantage.
Now somehow Kerber picks up a backhand as she charges from left to right, Halep meets it, Kerber lashes a return and Halep wins the point with a volley!
Halep 6-3 4-6 5-4 Kerber*
Oh! Halep comes forward again, and misses the forehand again!
She and coach Daren Cahill both rage at each other, before Kerber wallops a forehand long. Deuce.
Halep 6-3 4-6 5-4 Kerber*
Missed forehand from Halep!
We're going to deuce!
Halep 6-3 4-6 5-4 Kerber*
First match point: saved.
Backhand winner from Kerber.
Halep 6-3 4-6 5-4 Kerber*
Kerber burns her last challenge on an angled Halep backhand. I think we've learnt not to challenge those shots, now, because she just keeps on making them.
Another long rally and it's Kerber who blinks first as she forced from side to side for 30-15.
Now Kerber puts a stormer just over the line! Two match points to Halep!
Halep 6-3 4-6 5-4 Kerber*
Piers Newbery
BBC Sport at Melbourne Park
We have our first standing ovation of the tournament! A huge roar as Kerber somehow wrestles that backhand over the net from kneeling on the baseline. After a strange first set, this match has really delivered, and the crowd are desperate for it to continue for a while yet. Apart from the Romanians.
Halep 6-3 4-6 5-4 Kerber*
This has been the highest quality stuff.
That last rally. The winner from Kerber. The determination from both of them. Brilliant, brilliant viewing.
Halep 6-3 4-6 5-4 Kerber*
Another lengthy rally, and it's Kerber that comes out on top!
Stunning stuff. Kerber drops to her knees as she watches a backhand jab land just over the service line.
The crowd actually get to their feet to applaud the pair as they head for a well-deserved sit down.
*Halep 6-3 4-6 5-3 Kerber
I have no idea how Kerber has just made that shot down the line.
She looked all out of the rally as Halep targeted her backhand, then she whips her arms up, takes teh ball from head height and slapping it away from her.
Break point to Kerber.
*Halep 6-3 4-6 5-3 Kerber
Down the line goes Angelique Kerber with that forehand!
30-30.