South Wales Police have confirmed they made several arrests during Poland's UEFA Nations League win over Wales in Cardiff on Sunday night.
Thousands of Polish fans descended on the Welsh capital for Sunday's game, creating a raucous atmosphere inside Cardiff City Stadium.
However, a section of visiting supporters have been roundly condemned for their use of pyrotechnics throughout the game. Flares were lit during the Polish national anthem, and again when the visitors scored the only goal of the contest, with one fan appearing to fire a flare or firework from the stands up into the sky.
SIGN-UP: Don't Take Me Home: Get the latest Wales football team news sent straight to you
Police have confirmed that four Polish fans were arrested for being in possession of a pyrotechnic device, adding that a number of others were ejected during the match for smoking and alcohol-related offences.
Three more away fans were arrested during the course of the evening, including a racially aggravated public order offence, invading the pitch, and for being drunk and disorderly.
The events in the stands overshadowed matters on the pitch, with many Wales supporters calling on the FAW to take action, amid reported pockets of disorder allegedly involving Polish fans in the home sections of the stadium.
Taking to social media, one fan wrote: "Why were Polish fans allowed in the home ends?"
Another added: "Answer me this - if the police stopped people attending previous home games for using a flare MILES away from the ground, what sort of checks and searches were in place for the away fans, so they can bring flares and fireworks into the ground. Not good enough."
In a statement, a spokesperson for South Wales Police said: "Seven people were arrested at last night’s Wales v Poland game at the Cardiff City Stadium.
"Four of the seven arrests, which were all in the away end, were for possession of a pyrotechnic device and these individuals remain in police custody.
"Three other males were arrested for being drunk and disorderly, a racially aggravated public order offence and invading the pitch.
"During the event, numerous away fans were ejected from the stadium for breaching ground regulations such as smoking and consuming alcohol."
PC Christian Evans, from South Wales Police, added: “The overwhelming majority of people who attend the Cardiff City Stadium behave responsibly and enjoy a safe experience.
“Wales football fans have earned themselves an excellent reputation both at home and when visiting other countries.
“Being in possession of a pyrotechnic device at a football match, or attempting to bring one into a football stadium, is a criminal offence, and anyone found guilty of committing such an offence faces a Football Banning Order”.
The FAW have been contacted for comment.
READ MORE:
Wales 0-1 Poland: Swiderski strike condemns Rob Page's men to Nations League relegation
When do Wales play next and why are there no friendlies before the World Cup?
Wales football fans pictured cleaning up Belgian streets after partying as locals bowled over