A DISGRUNTLED employee was armed with a knuckle duster and other weapons during a fight with his boss in Beverley town centre.
Richard Fisher, 47, had been carrying out irrigation work at Beverley Racecourse and claimed he needed the weapons due to the "feisty" livestock on the Westwood pastures.
Fisher and his work colleagues went to the Beaver Pub in Beverley to watch a football match on television after work.
After a night of drinking, he began arguing with his boss, Darrell Davies, 43, accusing him of calling people names.
He then leapt up and head-butted him, before trying to force his thumbs into his boss's eyes.
Fisher then sprayed CS gas into the face of 20-year-old Jamie Davies, his boss's son.
Prosecutor Jharna Jobes said: "The defendant had a lot to drink and started accusing his boss of calling people names.
"The complainant tried to explain he was not when, all of a sudden, Fisher leapt to his feet and head- butted him.
"The complainant said he was trying to push his thumbs into his eyes.
"The complainant informed his son Jamie. Then the defendant staggered towards Jamie and he felt some spray hit his shoulder. He said it burnt."
When the police arrived, they discovered Fisher was armed with a knuckle duster, a stun gun that was disguised as a mobile phone and they found a CS gas cannister tucked into the side of his sock.
Fisher claimed his work on the Westwood brought him into contact with unruly cattle and he was using them as protection.
His barrister, John Thackray, who has had firsthand experience of cattle on the pasture charging him while out dog walking, said: "The reason he had it is because he was completing irrigation work and was surrounded by livestock, and I can vouch for the fact they can be very feisty.
"He was wrong to assume they were bulls on the Westwood but there is livestock and they can be quite vicious.
"He accepts it was an evening of madness and complete idiocy."
The father-of-six pleaded guilty to possessing prohibited weapons and to two assaults at Hull Crown Court.
When detectives examined the stun gun, they discovered it had no battery in it and would not have been capable of working.
Judge David Tremberg jailed him for six months.
He said: "There are a series of aggravating features. You have been a man with a history of violent offending in the past. You used to drink heavily until you met and married your partner.
"It is very troubling to see that you still have the capacity to behave in the appalling way you did on this night.
"You were, at the time, armed and you were in possession of an arsenal of weapons you shouldn't have had which were designed to cause injury to people and you were carrying them around Beverley, drunk as you were.
"You has a CS gas cannister in your sock and were in possession of a stun gun.
"It is clear you were prepared to use both violence and these weapons unlawfully. You head- butted this man, you were gouging at his eyes and you used the CS gas cannister.
"I'm satisfied that the offence is so serious only a custodial sentence can be justified.
"You behaved in a disgraceful way."
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