Toulon have pulled out of their Heineken Champions Cup game against Scarlets that was due to take place on Friday evening.
The move comes after a member of the Scarlets squad tested positive for Covid-19.
The French side had reportedly begun traveling to Wales for the game and decided to turn back when they heard of the test result.
The EPCR had approved the game to go ahead.
A statement from Toulon on Friday afternoon said,
"Rugby Club Toulonnais learned this Thursday, December 17, that at least one player from the Scarlets team had tested positive, earlier this week, for COVID 19.
"Following this, the Bath Rugby club, which had faced the Scarlets last weekend, were forced to withdraw from the 2nd day of the Champions Cup because 12 players of their squad had been in "close contact" with this Welsh player.
"Despite this eminently delicate context, the EPCR, with the approval of the Welsh Rugby Federation, wished to maintain the Scarlets / Toulon match.
"President Bernard Lemaitre spoke extensively with EPCR Director General Vincent Gaillard. He specified that the sanitary conditions were not met to maintain the organization of this meeting, the health of the players of the staff and their families being paramount.
"The EPCR nevertheless maintained its decision.
"Faced with this state of affairs, the Rugby Club Toulonnais, although aware of the serious consequences, decided not to play this meeting as planned this evening."
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