In the match between Querétaro and Atlas, from the city of Guadalajara, it derailed the stands when supporters from the various teams clashed.

The match was played yesterday and was the ninth round of the Mexican top league.

Now Fifa is commenting on the event for the first time.

"Fifa is shocked by the tragedy that took place at La Corregidora (the arena) in the city of Querétaro during the match between Querétaro and Atlas.

The violence was unacceptable ", they write in a press release.

Conflicting information on death rates

Querétaro is a city in central Mexico with around 2.5 million inhabitants.

The city's governor Mauricio Kuri González said at a news conference on Sunday that no one had died since the incident.

On the other hand, other information is circulating that several people have lost their lives.

Several supporters have also testified that they have seen several deceased people, information that has not been confirmed.

"Once again, Fifa wants to emphasize that violence has absolutely no place in football and that we will continue to work with all parties to get it out of football from our game."

Over 20 people to hospital

Governor González said during the press conference that 26 people (24 men and two women) were taken to hospital after the incident, but three of them were discharged during the day.

Of the 23 that remain, three are seriously injured.

Fifa is now calling on the authorities to catch the people involved.

"Fifa stands with the Mexican Football Association and Concacaf condemns this brutal incident and we call on the local authorities to hold those responsible accountable quickly.

Our thoughts go to everyone who was affected by the violence ", they write in the press release.

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Dissatisfaction due to darkening

In addition to the live press conference, the governor gave a recorded speech in which he urged people who have no relatives after the incident to call a number to get in touch with the authorities.

Dissatisfaction with the fact that Governor González has obscured possible deaths has also emerged during the day.

- I have no reason to lie, but right now we have no confirmed death, he says at the press conference at 23 o'clock Swedish time.

SVT Sport has also been in contact with the local Mexican authorities in Querétaro who can not confirm that no person lost their life.