Yesterday, Wales knocked Northern Ireland out of Euro 2016 in their last sixteen match.
The beginning of the tournament was marred with violence while the rest of the tournament has been marred by low standards of football.
Yesterday though, it was Wales' capital city where trouble seemed to be brewing.
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This footage obtained by The Mirror shows a Wales fan running away from a man who was allegedly 'carrying a gun.' The clip shows fans running over a bridge by the city's Millennium Stadium shortly after the match had finished.
Thousands of fans had gathered in a nearby fanzone to watch the match and riot police were called to the scene after the disturbance.
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Credit: The Mirror
Talking to The Mirror, witness Tom Elliott, 30, from Riverside, said: "I was crossing the bridge on my way to the station when it happened. It was immediately after the Wales match against Northern Ireland.
"There was something kicking off with a group of boys on the riverside and people were running towards something in that area.
"Then I could hear people screaming 'he's got a gun' and everyone ran towards the city centre."
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Two men, aged 16 and 22, have been arrested in relation to the incident and are being held in police custody, South Wales Police said.
Lead Image Credit: The Mirror
Featured Image Credit:Topics: Euro 2016, Football, Wales