Gate 4 fans in Zagreb (Dinamo vs PAOK)

Around a dozen supporters of the Greek soccer club PAOK were injured in an attack by local hooligans on the bus driving them to a hotel in the Croatian capital, police said on Tuesday.
"According to our first reports, around a dozen Greek supporters were injured in the attack on their bus. Four of them were taken for treatment in Zagreb hospitals," a Zagreb police spokeswoman said.
She also said that several dozen attackers first threw stones on the bus, breaking the windows, and then threw several torches inside.
"Fortunately, they were extinguished quickly," she said.
The bus was carrying VIP guests from Greece for the game between Dinamo Zagreb and PAOK on Wednesday in their last Europa League group stage match.
Dinamo Zagreb supporters have a history of causing crowd troubles, especially at away games in Europe. The club has been heavily fined by UEFA several times in recent years.

Massive Football Fight in Peru - Players, Fans, Police

Universidad San Martín vs León fight
On 8 December 2010 the first leg of the 2010 Peruvian championship final between León de Huánuco and Universidad San Martín descended into a mass brawl around half an hour into the game, leaving the referee with little choice but to send off two players from each team. The game continued and ended 1-1.

Football Fans Riot - Slovan vs Stuttgart

Slovan Bratislava’s Europa League match against VFB Stuttgart has been marred by violence on the terraces. The referee had to take the players off the field a few minutes before half time as Slovan fans entered the visitors sector creating havoc throwing fireworks, plastic chairs and anything they could get their hands on. The security inside the stadium couldn’t control the rampaging hooligans and it was a few minutes before the riot police were called in and restored some semblance of order.

Football Players vs Fans - Caught on Tape

Raw, unaired footage of the violence caught on camera by a local cable TV station shows St. Leonard players climb into the stands behind their bench and battle with Hurricane fans in a vicious and protracted melee in the dying seconds of Saturday night’s Ontario Football Conference semifinal playoff game.
At one point, a player in a Cougars jersey smashes a black plastic milk crate down onto the head of a fan. Moments later, groups of players swarm other spectators. Fans fight back and gang up on one player, who gets away by pulling out of his football jersey.
In one struggling, swinging knot, a Cougars player delivers a devastating blow that knocks a fan out cold. Seconds later, the cameras catch a Cougar raise his cleated foot and stomp down full force on a downed fan.

Serbia vs Slovenia 1:1