A cheating husband started a sexual relationship with another woman after barely a year of marriage – but he was caught out when his wife found out about his antics.

She confronted him about the other woman and it led to a furious confrontation in which she was injured with a knife, a court heard.

Ian Plastow, 21, of Phelps Street, Cleethorpes, admitted assaulting his wife, causing actual bodily harm, on July 1.

He also admitted assaulting a policeman.

Jeremy Evans, prosecuting, told Grimsby Crown Court that Plastow and his 19-year-old wife had been married at the time for less than a year and had a young son.

He began staying out until the early hours and moved out to a caravan near their home in Rochester Close, Scunthorpe.

“She found out that he had slept with another young female,” said Mr Evans.

“She confronted him. The female had been named to her.

“She told him in no uncertain terms that she was going to go round and confront the female.

“He went after her to placate her. He couldn’t placate her fully.”

They ended up back at her home in Rochester Close and the argument continued.

Grimsby Crown Court

Plastow went into the kitchen, armed himself with a knife, threatened to slash his own wrists and completely lost his temper.

She became distressed and, while he was putting his arms around her and trying to hug her, he accidentally and recklessly cut her on the back of the shoulder.

During the argument, he also grabbed keys that were round her neck on a lanyard, pulling tightly until it broke and causing her difficulty in breathing.

While he was being arrested, he struggled violently with three police officers.

A finger of one of them was bent back and fractured while they were trying to restrain him.

Ian Haywood, mitigating, said the reality of married life as a young couple was less “glorious” than they thought and they separated.

“He took the view that, because the relationship was at an end, he was perfectly entitled to seek sexual congress with another female,” said Mr Haywood.

“She found out about it.”

After he cut his wife, Plastow dropped the knife and did not pick it up again.

“Since this incident, there has been no difficulty between them,” said Mr Haywood.

“His intention with the knife was to harm himself. It was accidental and reckless conduct.”

The policeman’s finger got caught in clothing and was pulled back.

Plastow suffered from anger management and behaviour problems, the court heard.

Recorder Tahir Khan QC told Plastow: “It came to the attention of your wife that you had had a sexual liaison with another young female.

“She went to confront you about it and you admitted it.”

Plastow was given an eight-month suspended prison sentence and 20 days’ rehabilitation.