Tough laws to stop fatal assaults in Sydney could lead to 10-year sentences Kieran Loveridge was convicted over the king hit death of Thomas Kelly. BRAWLERS who kill with a king-hit face up to 10 years in jail under tough new "one punch" laws to be introduced by the state government. Outrage over the soft sentence handed down last week to Kieran Loveridge, who killed teenager Thomas Kelly in an unprovoked attack in Kings Cross, has forced Barry O'Farrell to take the legislation to cabinet today. Barry O'Farrell's "one punch" law plan little comfort to Thomas Kelly's parents A new offence will be created to replicate Western Australia's unlawful assault causing death laws. They will remove the need for prosecutors to plead down from murder to manslaughter in fatal assault cases to ensure a conviction - removing the reasons given by the judiciary when sentences appear lenient. The one year anniversary of the death of teenager Thomas Kelly who died after being king hit in Kings Cross last year. Parents Ralph and Kathy Kelly are starting up a foundation and we photographed them at their home in the Southern Highlands. A senior government source confirmed the Premier will bring the changes to cabinet today. The source said Attorney-General Greg Smith rang the Premier to seek approval to urgently introduce to cabinet laws replicating Western Australia's "one punch law." The Premier and Attorney were as outraged as everyone else at the sentence given to Loveridge and it was the last straw for Smith. He has moved to act decisively and the Premier was only too happy to help him," the source said, Thugs need to be held to account for their actions and this law will do that. Under the new laws there would be no requirement for the prosecution to prove the offender knew the punch would cause death. Editorial: Law reflects pain of a single punch To charge someone under the legislation all that would need to be proved is that there was an assault, that the assault was unlawful and that the victim died as a direct or indirect consequence. Thomas Kelly died after being king hit while on a night out in the Sydney CBD. The WA legislation states "the person is guilty of a crime even if the person does not intend or foresee the death of the other person and even if the death was not reasonably foreseeable." The WA laws were introduced in 2008 after a series of king-hit incidents, similar to the Thomas Kelly case. Kean: Fed-up public once again betrayed by legal system Loveridge was jailed for four years on Friday after he attacked Thomas in July 2012 as the innocent teenager was talking on his phone. The sentence outraged Thomas's parents, with his tearful mother Kathy calling it "a joke."