The U.S. Anti-Doping Agency (USADA) recently questioned double Olympic champion Mo Farah as part of an investigation into allegations surrounding his coach Alberto Salazar breached anti-doping rules.

USADA and UK Anti-Doping are presently investigating claims made in the BBC Panorama program ‘Catch Me If You Can”. During the program, it was alleged that Farah’s Coach Alberto Salazar violated various anti-doping rules and used Testosterone medication in 2012 on Galen Rupp when he was just 16 years old. All doping allegations have been denied by Rupp and Salazar.

The Sunday Mirror newspaper said Mo Farah spoke with USADA lawyer Bill Bock in a hotel on Saturday for five hours in London. The questioning of Farah came a day after the British long-distance and middle-distance runner won the 3,000 meters in a Diamond League meeting at London’s Olympic Stadium. Farah clocked the fastest time in the world this year and won in seven minutes 34.66 seconds. The runner, who is credited with the distinction of being Britain’s first-ever men’s European Championships gold medal at 5000 meters in 2010, received a raucous reception from the crowd in London.

USADA officials have met 20 witnesses with links to the Nike Oregon Project that is operated by Salazar. One of those, Treniere Moser, remarked last month that she had spoken to USADA investigators. Moser remarked he had done her part and she had talked to them and given them everything they wanted and that is the best she could have done.

The USADA lawyer is in London these days for interviewing Farah and a number of important figures in British Athletics and performance director Neil Black and head of endurance Barry Fudge are also understood to be on his list of appointments.

Previously, Farah had remarked he was happy to cooperate with any investigation and it is believed that his meeting with Bock was scheduled for some time. The athlete told Bock that he had never used any illegal substances and he would split from his coach if there is any proof of illegal activity.

Last week, Farah received sympathy from Usain Bolt who said he understood decision of the double Olympic champion to stand by his coach. Bolt remarked he is sorry to learn that Farah is being teared down and he really hopes Mo Farah doesn’t take it too seriously and it doesn’t stress him out as it is a part of the sport, people like to point fingers sometimes.

A naturalized British citizen, Farah holds the British indoor record in the 3000 meters and is the European indoor record holder for 5000 meters, the British record holder for the 5000 meters, and is the current indoor world record holder for the two mile. Farah became double Olympic champion at the London 2012 Olympic Games after he took gold in both the 5000 and 10,000 meters. He was voted European Athlete of the Year in 2011 and won the prize again in 2012. In 2013, Mo Farah was appointed Commander of the Order of the British Empire (CBE) in the New Year Honors for services to athletics.

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