What happens next?

How to take legal action for player to official violence
Call the police.
Assault is a crime, and you should call the police as soon as possible. The police will need to investigate and will ask you questions.

Choose your answer from:
A). Tell them that the player has done something to damage your copyright and you intend to try to remove that copyright. Get as many police reports as possible, and answer any questions about the incident..
B). You should be sure to call the police first when you are not in immediate danger. Manslaughter is in the background, and you should contact the police immediately if you do not see one..
C). You should give them the number and tell them the full story, including information about any injuries or misconduct. You should also ask any witnesses you see when you aren't talking..
D). Even if you don't want to bring a lawsuit, you should call the police so that the player can be punished. Also get a copy of any police report that is filed..
D).