Chris Eubank Jr vs Conor Benn will go ahead as planned despite the latter returning an 'adverse' drugs test result, according to promoter Kalle Sauerland.
On Wednesday, Matchroom Boxing and Wasserman Boxing issued a joint statement confirming that Benn, 26, had tested positive for 'trace amounts of a fertility drug', which was later revealed to be clomifene.
Both men, however, still 'wish to proceed' with Saturday's catchweight bout at London's O2 Arena.
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Eubank's promoter insists the event will not be cancelled despite the British Boxing Board of Control prohibiting the fight from taking place this weekend.
"Where we're at is we're planning to have a fight on Saturday night," Sauerland exclusively told GiveMeSport.com. "We have multiple tools we can use to fight.
"We received pretty much the same statement that has been put out was written to us this morning.
Chris Eubank Jr and Conor Benn will battle it out for the ultimate bragging rights
"So from Team Eubank's side, we've just received the letter saying they can't sanction it. And that's not the event, that's this specific fight. And that's on the basis of it not being in the interest of boxing.
"That's it. There's no reference to anything else. So it's something that obviously our legal team are looking at at the moment and discussing with the legal team of the board."
Sauerland also revealed that they had received this information prior to everyone else.
"We've been aware for a little while," he admitted. "I can't go into exact details, it's all with the lawyers.
"We've had enough time for us to go to the medical side of things, first and foremost, to check exactly what it meant.
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"None of us are doctors or medical experts so we sort the advice of medical experts in that field in this country and abroad. That has been discussed internally and here we are today. That's all I can really say to be honest."
Asked how long it could take to obtain the B sample, he replied: "That's a question for Team Benn.
"Until this morning, we can only go with what the British Boxing Board of Control have said. That is based solely on UKAD. Now there's a lot of priors on that, there's a lot of precedence on that.
"The UKAD tests have been negative, Junior's obviously, but also Benn's. So this refers to a test which was done by VADA which was actually signed up on a voluntary basis. The tests after that from VADA were also negative.
"Ultimately we don't look at that, we look at simply there was a negative test, and that's what we sent to our medical experts and that's why we're still here today."