My girlfriend got attacked and biten.

Since two hours I sit next to the police station.

We already where at the hospital and also here at this station. I think this time is the last time and they have now all the paper they need.

What happened

My girlfriend an me we where sleeping. At 01.30 the exgrirlfriend of the brother of my girlfriend nocked at the door. We let her enter. She was drunk... after few minutes this women started to get crazy and was looking for a knife... and they started fighting... she tried to kill her... triying pushing her down the stairs... and finally bite her in the fingers. I tried to stop the fight. But I was not able to avoid the bite... After 30min came the police and took her to police station. I had to keep her all the time with the hands blocked at the ground. She was totally crazy...