DISGRACED Lance Armstrong's fate has been sealed, as cycling's under-fire world governing body decided to back a life ban for doping and strip him of his record seven Tour de France titles.

The International Cycling Union said it supported the US Anti-Doping Agency decision to erase the rider's entire career after August 1998, as president Pat McQuaid called the scandal "the biggest crisis'' the sport had ever faced.

"We will not appeal to the Court of Arbitration for Sport and we will recognise the sanction that USADA has imposed,'' McQuaid told a news conference in Geneva, saying he had been "sickened'' by the revelations.

"The UCI will strip him of his seven Tour de France wins. Lance Armstrong has no place in cycling... He deserves to be forgotten in cycling.''

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Earlier this month the US body released a devastating dossier on Armstrong, detailing over 202 pages and with more than 1,000 pages of supporting testimony how he was at the heart of the biggest doping program in the history of sport.

The revelations, including evidence from 11 of Armstrong's former teammates, plunged a sport which has been working hard to rid itself of its murky doping past into crisis.

McQuaid succeeded Hein Verbruggen as president of world cycling after Armstrong's seventh and final Tour victory in 2005 and is credited with boosting the body's anti-doping program, notably with the pioneering blood passport program.

The Irishman was under pressure to answer how Armstrong and his teams managed to dope for so long without being detected. But he rejected calls to quit, vowing to continue his work against the scourge of doping.

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Armstrong's sporting reputation as the cancer survivor who fought back to win cycling's most gruelling and celebrated race has been shattered since the revelations, leading to sponsors leaving him in droves.

There has also been fears of a wider withdrawal of financial backing for the sport after Dutch sponsor Rabobank said it was ending the sponsorship of its professional cycling team after a 17-year association.

The sponsor described professional cycling as "sick'' to its core and unlikely to recover in the foreseeable future.

The strongly-worded comments went to the heart of claims of failings at the UCI and in particular to McQuaid, who has been criticised for failing to see the extent of doping within the sport.

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Verbruggen, who stepped down in 2006 but remains honorary president, ran the UCI during Armstrong's golden era - a time when USADA's report says Armstrong and team-mates evaded dope tests either by hiding or being tipped off in advance.

The Dutchman has also been accused of protecting Armstrong - even accepting a donation to cover up a positive dope test. McQuaid on Monday said the UCI "absolutely deny'' that Armstrong bought off the body.

Armstrong's cancer backstory and Tour triumphs from 1999 to 2005 were seen as key to restoring cycling's tattered image after a string of high-profile doping scandals in the 1990s.

His Tour victories are unlikely to be re-awarded, the race's director Christian Prudhomme has said. The void would prevent further headaches, given that most riders who finished on the podium in that time have since been implicated in doping.

Timeline: The Armstrong doping controversy

But the final decision will come in a special UCI meeting on Friday.

Armstrong on Sunday spoke briefly to some 4,300 cyclists at the Livestrong Challenge charity benefit, a 100-mile (160-kilometre) race in his hometown of Austin, Texas.

"I've been better but I've also been worse,'' said Armstrong. "Obviously it has been an interesting and difficult couple of weeks.''

Since the USADA report, sponsors have fled Armstrong and he was forced to resign as chairman of the Livestrong cancer-fighting charity he founded in 1997 over concerns his tarnished reputation could hurt the cause.

Gallery: Lance Armstrong through the years

Armstrong, who overcame testicular cancer that had spread to his brain and lungs to achieve cycling stardom, inspired more than $500 million in donations to Livestrong and pushed other cancer survivors to battle the condition.

No criminal charges were filed against Armstrong from an 18-month US federal probe that ended earlier this year and evidence from that case was not given to USADA.

But Armstrong could yet face court cases from former sponsors who accepted his assurances that his legacy was not aided by banned substances.

Originally published as Lance banned, stripped of titles