Spanish police in Madrid have confirmed they have arrested four Brits for assault ahead of Saturday night's Champions League final.

Supporters travelled in good numbers for the all-English final against Liverpool but anticipation appears to have been overshadowed by ugly scenes near Puerta del Sol on Friday night.

In a social media clip posted on Tottenham fan account COYS News, police are seen entering a bar with batons before one supporter drinking outside the restaurant appears to be struck by an officer.

Spanish police have arrested four Brits for assault ahead of the Champions League final

Police are seen entering the local restaurant where some supporters were on Friday night

The country's National Police force said officers were the victims of some of the assaults.

They did not give out details of when and where the arrests had taken place in the Spanish capital in a statement overnight.

A force spokesman said in a tweet: 'Four British nationals arrested for assaults, including assaults on police officers, as part of the security operation for the Champions League final in Madrid.'

Confirmation of the arrests came after allegations of heavy-handed tactics levelled at local police who have mounted a major security operation in the run-up to the Spurs-Liverpool game at the Wanda Metropolitano Stadium.

Officers with batons swept in to confront Tottenham fans around the bars and restaurants in Puerta del Sol fan shortly after 9pm on Friday night.

A restaurant worker said the police were responding to complaints that the Spurs supporters had been acting aggressively and shouting abuse at Liverpool fans.

However, supporters gathered outside the bar claimed the intervention was completely unprompted.

'We were having a laugh and having a joke - it was all Tottenham and just fun,' said one supporter. 'Then suddenly two police come at us and suddenly it was bang, bang, they all came steaming in. Smashing tables with their batons. They're doing it just because they can. They are bang out of order.'

Fans appear to have been ushered outside of the restaurant situated near to Puerta del Sol

One supporter who claimed to be inside the venue was furious with how events unfolded

Liverpool fans in Plaza Sol were reported to have been kept in the square by a police blockade

'I had an eight year old boy on my shoulders,' said Spurs fan Harry Wade, 27. 'It was his first away day and we were all having a nice time.'

Liverpool fans inside the bar disputed the story, however, claiming they heard a small group of Spurs fans shouting provocatively about Merseyside.

An employee at the Cafe and Tapas bar confirmed police had been called, but said officers acted 'too heavily'. There were also reports of a small skirmish between fans and police after a brawl in the Liverpool fan zone.

A video appears to have caught the aftermath of events inside the restaurant as supporters are being ushered outside by police, who can be seen wearing helmets and carrying batons.

Fans, including the one filming the video, are ushered out of the venue where one supporter appears to be struck on the back of the legs with a baton.

Around 650 meters away, the Liverpool Echo report that Reds fans were stuck inside a police blockade around the Plaza del Sol in Madrid.

Fans descended on the square for an event which saw DJs Dimitri Vegas and Like Mike headline the pre-Champions League final festival.

The report says that supporters were told they could not exit the blockade until midnight due to the size of the crowds.