Montenegrin brawler Vaso Bakocevic (25-16) lived up to his nickname Psychopath when he came up against Stefan Zvijera in Serbia.

The fight was into the third round when Zvijera unfortunately slipped on the canvas.

As he stumbled to the floor, Bakocevic landed a savage kick to the face that left his opponent on the mat.

Vaso Bakocevic issued this controversial head kick after his opponent stumbled

He then went in for the kill landing several punches before the referee intervened to call the fight to a halt.

But that’s when it all kicked off as Zvijera’s trainer entered the ring and lifted his fighter’s arms aloft claiming the win after believing Pyscho’s kick was illegal.

Bakocevic and his camp were having none of it and within seconds a full-on brawl erupted in the ring as the two sides came to blows.

The fight descended into a mass brawl after the controversial stoppage

Punches fly as about 20 men scrap while others try to keep Bakocevic from joining in whole Zvijera looks on in disbelief.

Organisers eventually managed to prise apart the two camps and restore peace.

In the end the referee declared Bakocevic’s kick legal and Psycho claimed the victory.