Melbourne, Jan. 27 : Defending champion Novak Djokovic has quit the Australian Open, retiring from his quarter-final against Andy Roddick on Tuesday.

Djokovic, the No. 3-seed, from Serbia, was trailing the No. 7 seed, from the United States, 6-7 (5-7) 6-4 6-2 2-1 when he quit the match, after two-and-a-half hours, apparently suffering from heat stress.

Melbourne, Jan 24 : Police in Melbourne are reviewing the security footage of a mass brawl between Serbian and Bosnian supporters at the Australian Open.

Three young men will be charged on summons in relation to the fight on Friday afternoon, and another man has been issued with an on-the-spot fine, a police spokeswoman said.

Up to 30 people were ejected from Melbourne Park after the fight in which chairs were hurled following the match between Serbian Novak Djokovic and Bosnian-born American Amer Delic, News. com. au reported.

Melbourne, jan. 23 : British tennis star Andy Murray has blasted rivals Roger Federer and Novak Djokovic and says the moaning pair are only putting pressure on themselves.

The Sun quoted Murray as saying that Federer keeps whinging about being continually asked about Murray's chances of winning the Australian Open.

Murray said: "A few players disagree that I have been made the favourite. There have been some quite big contradictions from both of them. By saying they should be the favourites, they are putting more pressure on themselves."

Melbourne  - Balkan passions played out on court while fans remained restrained as Serb Novak Djokovic posted a 6-2, 4-6, 6-3, 7-6 (7-4) win Friday over Bosnian-American Amer Delic to advance at the Australian Open.

While police reported that a handful of unidentified troublemakers were turfed out the gates of Melbourne Park for scuffles and chair throwing in the beer garden park, the atmosphere for the heated third-round match could only be classified as a low simmer.

Melbourne - Holder Novak Djokovic survived a struggle with Bosnian-American Amer Delic to win a battle of the Balkans 6-2, 4-6, 6-3, 7-6 (7-4) for a place in the fourth round of the Australian Open on Friday.

Serbian Djokovic, seeded third and defending a major title for the first time, saved a pair of set points in the tenth game of the fourth which would have allowed lucky loser Delic to take the contest into a deciding fifth set.

Delic played well over his ranking of 127, hammering 16 aces in a contest stretching past the three-hour mark.

Melbourne, Jan. 22 : Defending Australian Open champion Novak Djokovic has spoken out against the bookies' decision to rate Andy Murray, the world's fourth-ranked player, as equal favourite for the tournament alongside Roger Federer.

Djokovic, who eased through his second-round match against Jeremy Chardy in straight sets, believes that the three leading contenders for the title are the same players who won grand slam events last year: himself, Federer, and Rafael Nadal.