Cardiff City have filed a lawsuit against FC Nantes over the death of Emiliano Sala, according to French publication L'Equipe.

The suit insinuates that the French club may be guilty of manslaughter and the hiding of agent commissions.

Sala tragically died in a plane crash last January while he was on his way from France to Wales ahead of his move to Cardiff.

The lawsuit is said to specifically target Waldemar Kita, the Polish millionaire who owns Nantes.

Parisian firm Dupond-Moretti & Vey, who are councel to the Welsh club in France, are basing the complaint on a 'series of disturbing elements' involving the man who booked Sala's flight, Willie McKay, according to Antoine Vey.

Tributes were laid following the news of Emiliano Sala's death

"It is clear that intermediaries, among them Willie McKay, were actively involved in all stages of the transfer of Emiliano Sala, when they were without a sports agent license," Vey said.

"FC Nantes and its leaders are accomplices in the offense by deliberately having recourse to the services of intermediaries which they could not ignore that they were practising illegally."

Cardiff, who were in the Premier League at the time, and Nantes have been in dispute over fee payments since Sala's death.

The Welsh club unveiled Sala two days before his death, but have argued they were not liable for the full £15million transfer fee because the 28-year-old was not officially their player when he died.

The death of Sala was met with shock and sadness from the footballing world

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The case was heard by FIFA's players' status committee, with the world governing body announcing at the end of September that Cardiff had been ordered to pay the first instalment of Sala's transfer fee - six million euros (just under £5.2m).

Cardiff appealed against that ruling and it will go before the Court of Arbitration for Sport (CAS) in Lausanne, Switzerland. The final decision is not expected before June 2020.