The Brisbane-based 20-year-old is the latest rising star to be embroiled in a doping scandal, having tested positive to Ligandrol during a routine drug test last month.

Mack Horton looked less than impressed when a reporter asked him about his teammate Shayna Jack, who has been caught up in a doping scandal on Sunday.

Sun Yang was pictured walking through Hangzhou International Airport in China on Sunday after winning gold in the 200m freestyle at the World Championships in South Korea.

The Australian wheelchair basketballer and tennis player said he owes Horton an apology, but said he could no longer cope with the online abuse he was receiving from Chinese trolls.

The sporting authority released a statement on Monday to address its general investigative processes - after it came under heavy fire for not revealing the results.

FINA executive Cornel Marculescu said two more athletes - who are not Australian - have been caught doping. He did not disclose whether or not they are world champion competitors.

Jack will speak with ASADA in Brisbane to discuss the muscle growth drug Ligandrol that was found in her system - which she says was ingested unknowingly through supplements.

Australian swimmer Shayna Jack, 20, could escape severe punishment for a failed doping test by using a loophole that saw a Japanese swimmer's ban cut in half.

Former Australian swimmer Giaan Rooney believes Shayna Jack accidentally ingested Ligandrol ahead of the FINA World Championships in South Korea.

Australian star Mack Horton believes swimming's doping system has 'gone wrong' and it's now up to the athletes to stand up for a clean sport, as he did when refusing to share the podium with Sun

The 23-year-old refused to share the podium with victorious Sun after winning silver in the men's 400m freestyle final at FINA's World Championships in South Korea on July 21.

Riyad Mahrez missed out on Manchester City's Community Shield win on Sunday amid fears from club doctors he would fail a drugs test, according to Pep Guardiola.

Algeria distanced themselves from suggestions that medication taken by Riyad Mahrez on their watch led to fears the Manchester City star could fall foul of doping rules.

Cycling's drug problem has been well documented for years, but for once the sport was happy to assist in catching those committing doping violations - albeit accidentally.

American sprinter Christian Coleman has accused the United States Anti-Doping Agency of "going after a big fish" and demanded a "public apology" after a case against him was dropped.

EXCLUSIVE BY MATT HUGHES: Athletics' chiefs want to tighten the sport's drug-testing regime after the world's fastest man Christian Coleman escaped doping sanctions earlier this month.

RIATH AL-SAMARRAI IN DOHA: Christian Coleman is on course for 100 metre glory at the World Athletics Championships but his doping violations mean he can't replace Usain Bolt as the face of the sport.

RIATH AL-SAMARRAI: The explosive development follows a four-year investigation by the US Anti-Doping Agency into the work done by the coach, who runs the Nike Oregon Project.

The ruling spoke of Salazar using his two sons as guinea pigs in June 2009 as a means of establishing how much testosterone gel could be applied before breaching the legal limits.

The world of athletics was rocked on Tuesday when the coach who led Sir Mo Farah to his Olympic gold medals was banished from the sport in disgrace for doping violations.

Brisbane Broncos player James Segeyaro's career hangs in the balance after he returned a positive drug test.

IOC president Thomas Bach has described Alberto Salazar's ban as 'very worrying' and has called on the World Anti-Doping Agency to look at athletes who worked with the disgraced coach.

Sportsmail has learned Salazar has instructed his lawyers to prepare for another lengthy battle after immediately announcing his intention to appeal USADA's judgement earlier this week.

There was a time, long before their visceral hatred of adidas fuelled a desire to become the biggest, brashest sports brand of all, when Nike had something resembling a soul.

RIATH AL-SAMARRAI IN DOHA: In the end it was all too much for Muir. There were simply too many injuries and one athlete who ran the sixth quickest 1500m time in history.

The head of the US Anti-Doping Agency, Travis Tygart, who led the conviction of Alberto Salazar for doping offences has hit back at Paula Radcliffe.

OLIVER HOLT - CHIEF SPORTS WRITER: To say Radcliffe's performance when asked about the ban handed down to Salazar by USADA was awkward would be an understatement.

Dillian Whyte could be back in the ring before the New Year and is still optimistic about beating his doping charge.  The investigation into his failed test is still ongoing.

Slovenian cyclist Janez Brajkovic, 35, posted the pictures of his incredibly lean legs after returning to the track following a ten-month doping ban for testing positive for methylhexaneamine.

RIATH AL-SAMARRAI IN CHICAGO: Alberto Salazar insists he did not mislead Sir Mo Farah over the doping scandal that has brought their relationship back into the spotlight.

An athlete at the Nike Oregon Project (NOP) run by controversial coach Alberto Salazar provided an anomalous blood sample in 2011, indicating they may have been taking the drug EPO,

A former rugby league star (pictured) has been jailed for smuggling exotic animals to pay off a $25,000 debt.  

Dillian Whyte will have to wait until February 2021 for his WBC heavyweight title shot, if his 'situation is resolved' by UK Anti-Doping. 

Although Whyte has not been banned, the WBC decided to suspend his status as 'interim' champion. Therefore, Tyson Fury has been installed as the new mandatory challenger.

The World Anti-Doping Agency has confirmed it will investigate the athletes who worked under Sir Mo Farah's disgraced former coach Alberto Salazar.

James Segeyaro, 28, was stood down from the Brisbane Broncos in October after returning a positive A-sample for banned muscle-enhancing drugs.

EXCLUSIVE BY MIKE KEEGAN: Top-flight stars can now access information via their mobile phones on a wide range of issues including doping regulations and plans for a life after football.

Track and field athlete, Mary Cain, once the 'fastest girl in America' on Thursday urged Nike to change their system after her former coach Alberto Salazar was banned after a doping investigation.

Shane Sutton sensationally stormed out of the Richard Freeman medical tribunal on Tuesday after branding the former Team Sky and British Cycling medic a 'spineless liar'.

The former Team Sky head coach gave evidence at the tribunal of Dr Richard Freeman, who is accused of ordering 30 banned Testogel sachets to the National Cycling Centre in May 2011.

Russia could be set for a new ban from major international sporting events like next summer's Olympic and Paralympic Games over claimed inconsistencies in anti-doping data.

The former Nike Oregon Project marathon runner has been looking for a new training arrangement since the project was disbanded in the wake of Alberto Salazar's doping ban.

The prospect of Russian track and field athletes taking part in the Tokyo Olympics are looking slimmer after the president of the country's athletics federation was charged on Thursday.

Weighing in at 19st 11lbs for his first fight with Joshua, Ruiz stunned the world by dropping the Brit and his chiseled physique to the canvas a staggering four times before getting the stoppage in June.

It follows an investigation into the data handed over by the Moscow laboratory in January as part of the reintegration process of the Russian Anti-Doping Agency following the state-sponsored doping scandal.

Investigators from the World Anti-Doping Agency found inconsistencies in laboratory data obtained from the Russian anti-doping agency in January.

EXCLUSIVE BY ROB DRAPER: UK Athletics called a special meeting with the English Institute of Sport to discuss the controversial use of thyroid medication on elite athletes.

Dillian Whyte has been officially cleared by UK Anti-Doping following a lengthy investigation into a positive test in the build-up to his points win against Oscar Rivas in the summer.

Dillian Whyte should be immediately reinstated as mandatory challenger for the WBC heavyweight title after being cleared of doping, according to promoter Eddie Hearn. 

Russia have been banned from the world's top sporting events for four years, including next summer's Tokyo Olympics and the 2022 Qatar World Cup, for tampering with doping tests.