This story was updated with a statement from WWE officials.

Brock Lesnar reportedly was tested five times after initial testing data was released by UFC anti-doping partner USADA.

Today, the promotion announced that Lesnar failed an out-of-competition test conducted June 28, or 11 days prior to his fight against Mark Hunt at UFC 200 at T-Mobile Arena in Las Vegas. The positive test was reported by the WADA-accredited UCLA Olympic Analytical Laboratory on July 14, five days after the event.

Lesnar, per a release, has been notified of a potential anti-doping violation and is likely to receive a provisional suspension by the Nevada State Athletic Commission, which regulated the July 9 pay-per-view event.

Per the UFC and USADA’s standard procedure on potential doping violations, the substance for which Lesnar tested positive was not disclosed, and will not be unless the fighter discloses it or the results management process has concluded.

Returning to the octagon for the first time in five years, Lesnar (6-3 MMA, 5-3 UFC), a former heavyweight champion and pro wrestling champion in the WWE, evaded the heavy-handed Hunt (12-11-1 MMA, 7-5-1 UFC) and repeatedly took the fight to the mat and worked ground and pound. Judges gave him a unanimous decision by scores of 29-27.

Afterward, Lesnar reaffirmed his plans to return to the wrestling ring at the WWE’s “SummerSlam 2016” and said he would decide afterward whether to continue his comeback in MMA.

Prior to Lesnar’s octagon appearance at UFC 200, he had been given a waiver by USADA on a policy that requires athletes coming out of retirement to give four months’ notice in order to begin drug testing before a return. Hunt immediately took aim at the decision, accusing the ex-champ of being “juiced to the gills.”

In response, Lesnar said during a media teleconference, “I’m a white boy and I’m jacked. Deal with it.”

According to USADA’s website, Lesnar has been tested a total of eight times since being entered into the third-party firm’s testing pool.

Here is the UFC’s full statement on Lesnar’s violation:

“The UFC organization was notified today that the U.S. Anti-Doping Agency (USADA) has informed Brock Lesnar of a potential Anti-Doping Policy violation stemming from an out-of-competition sample collection on June 28, 2016. USADA received the testing results from the June 28, 2016 sample collection from the WADA-accredited UCLA Olympic Analytical Laboratory on the evening of July 14, 2016.

“USADA, the independent administrator of the UFC Anti-Doping Policy, will handle the results management and appropriate adjudication of this case. It is important to note that, under the UFC Anti-Doping Policy, there is a full fair legal review process that is afforded to all athletes before any sanctions are imposed. The Nevada State Athletic Commission also retains jurisdiction over this matter as the sample collection was performed in close proximity to Lesnar’s bout at UFC 200 in Las Vegas.

“Consistent with all previous potential anti-doping violations, additional information will be provided at the appropriate time as the process moves forward.”

When asked if the situation would impact Lesnar’s standing at SummerSlam, WWE issued the following statement to MMAjunkie:

“Brock Lesnar has not performed for WWE since WrestleMania and is not scheduled to return until Sunday, August 21.”

Check back with MMAjunkie for more on this story as it develops.

For complete coverage of UFC 200, check out the UFC Events section of the site.