VIDEO: Murthel Groenhart attacked by fans after controversially knocking out Harut Grigorian

There were shocking scenes at the Glory 42 Kickboxing Championship on Saturday, as one of the fighters was attacked by spectators in the ring.

Murthel Groenhart knocked out his opponent Harut Grigorian with a controversial punch, hitting him while he was walking back to his corner.

While he was laying on the floor with blood oozing out his face, Groenhart walked over to his corner celebrating.

This was not greeted well by spectators in the crowd - who made their way into the ring and starting laying into the Dutchman.

You can watch the shocking footage above...