"He asked her if he could collect his stuff and said she hit the roof. He said she threatened to 'f***ing kill' him if he came near the house. He told us he was worried about how aggressive Katie would be and genuinely was worried for his safety.
"Charles decided to get the police involved. He's not taking any risks," Charles' pal said.
Derbyshire police informed that they were looking into a "dispute between a man and his ex-partner".
Katie and Charles enjoyed a brief relationship, following her temporary split from Kris Boyson.