iOS - Android Cashill was jailed for 18 months at Hamilton Sheriff Court on Thursday.He admitted assaulting PC Bryson and acting in a threatening or abusive manner in George Street, New Stevenston, on June 18 last year.The court heard Cashill had a row with his mum and the police were called.Mairi-Clare McMillan, prosecuting, said: “As officers approached the front door, Cashill came out holding a knife.Don't miss a thing from your area - sign up for the new Lanarkshire newsletter!From the