In the melee, part of a wall collapsed onto both sets of fans.
Pictures were posted on social media appearing to show fans climbing over a low wall, with gas clouds in the air.
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Rodrigo Valdés explicó además que Piñera habló que el déficit fiscal aumentó en este Gobierno, pero detalló que entre 2011 y 2014 (gobierno de Piñera) el déficit aumentó en 3% del PIB.
He said an investigation will be opened into the incident.
Cheikh Maba Diop, whose friend was killed, told the AFP news agency: "All of a sudden when the wall fell. we knew exactly that some of our own had lost their lives because the wall fell directly on to people".
The crowd then panicked and people were crushed in the movement, leading to the drama.
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Sergio Martínez, amigo de la familia y expatrón de las víctimas, dijo que, tanto la Secretaría de Comunicaciones y Transportes ( SCT ) como la constructora de la vía ya hicieron contacto y actualmente se está en diálogo con ellos.
The collapse of the wall came amidst violence between two sets of supporters after the final whistle, and a further 49 people were injured.
Eight people have been confirmed as dead and at least 50 seriously injured in the confusion following the game in the Senegalese capital. "What I find terrible is that we have this kind of final in this kind of stadium here where there isn't enough security", he said.
No sports or cultural events will take place in the west African nation until after the elections on 30 July as the government attempts to avoid a repeat of the weekend's tragedy.
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The former Santos star is said to have won everything he wants to win with Barcelona barring the Ballon d'Or. "( Lionel) Messi? He is a player who usually walks in the field, but you have to be very careful.
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