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Andy Murray emerged victorious from a "brutal" quarter-final clash with David Ferrer at the Australian Open.
The Scot's four-set triumph ensured that Britain will have semi-finalists in both the men's and women's draws of a Grand Slam event for the first time since 1977, with Johanna Konta having earlier beaten China's Zhang Shuai.
Ferrer, who went into the encounter having not dropped a set in the tournament, provided Murray with a serious test at the Rod Laver Arena.
The British number one, though, dug team at crucial moments to ultimately seal a 6-3 6-7 (5/7) 6-2 6-3 victory.
After Ferrer had triumphed in the second set, thunder and lighting led to the stadium's roof being closed during the third, with Murray going on to get the better of his opponent in the latter stages.
"It was good to have a break, because we played some brutal rallies, so we could come back refreshed," Murray said.
"It is tough in those situations. Ideally, I would have played the next game and held and then had the break.
"But I like playing indoors. I grew up in Scotland where the weather isn't like here so I grew up playing indoors - I don't mind it."
Murray, aiming to reach his fourth Australian Open final and secure glory in the tournament for the first time, will take on Milos Raonic, who defeated Gael Monfils, in the last four on Friday.
The other semi-final will see Roger Federer face the top seed and defending champion, Novak Djokovic.
Australian Open - Men's Singles quarter-finals
R Federer (SUI) (3) bt T Berdych (CZE) (6) 7-6, 6-2, 6-4
N Djokovic (SRB) (1) bt K Nishikori (JPN) (7) 6-3, 6-2, 6-4
A Murray (GBR) (2) bt D Ferrer (ESP) (8) 6-3, 6-7, 6-2, 6-3
M Raonic (CAN) (13) bt G Monfils (FRA) (23) 6-3, 3-6, 6-3, 6-4