WATCH: Stadium roof collapses during training session for Chilean giants

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The team's supporters were praising their team ahead of their Clásico against Universidad Católica, but their antics ended the training session and even more.

What started out as a big gathering between fans ahead of one of the biggest matches of the season could have ended in a massive tragedy, as Colo Colo fans wreaked havoc at the Estadio Monumental David Arellano during their favorite club's training session.

The popular "arengazo" between Colo Colo fans prior to their match against Universidad Católica had a large number of their barristas at the team's facilities. When things were heating up, some fans decided it would be a good idea to make it all the way to the stadium's roof. What they did not take under consideration was their weight, which caused the roof to collapse.

Fans ran to their safety as ten of Colo Colo's supporters were reported with different injuries. Fortunately, there were no casualties after this freak incident. Have a look at the footage filmed by one of the team's supporters.

El momento exacto en que cayó el techo del Estadio Monumental

Tras esto, el plantel de Colo-Colo se fue a los camarines y se dio por finalizado el Arengazo

: @prensapopularcl pic.twitter.com/SsHPdu8Ddh
— Sentimiento Popular (@prensapopularcl) September 30, 2022

Initial reports by Chilean news outlets suggested that the game between the South American giants was set to be postponed, although there has not been any mention of this by neither club.