A TEENAGER who kicked a Chinese tourist to death in a random attack on New Year's Day sent a string of chilling texts to friends, boasting: ''I f***ed some ch**k up.''

Nathan Richardson, 19, had been ejected from a house party when he ambushed 67-year-old Wenqing Xu.

4 Nathan Richardson was jailed for life with a minimum term of 19 years Credit: PA:Press Association

Mr Xu, who had been visiting his daughter in Preston with his wife, had been power walking at 8am when he was killed.

Two community centre workers witnessed the attack and intervened when they saw Richardson kicking the victim and shouting: ''F*** you, get in there you b*****d.''

Mr Xu was taken to Royal Preston Hospital, where he died two hours later.

Tests showed he suffered broken facial bones and teeth, internal bruising, a bleed on the brain and grazes and bruising consistent with being dragged along the ground.

Preston Crown Court heard Richardson, of Bolton, had been drinking cider and snorting cocaine at the party as well taking ecstasy and cannabis.

In a series of text messages to friends after the killing he said: "Goin jail. Think I killed sum1 (sic)."

4 67-year-old Mr Xu died just two hours after arriving in hospital in Preston

He added: "F***ed sum ch**k up. Bodied him. I think pure crime scene - his head's gone."

He later falsely claimed to his sister the victim had hit him first.

He also went on a local news website to research the killing and told a friend: "I've killed someone, it's unnatural what I've done. I've just done some guy I backhanded him and he weren't moving, I have done it.

"I kicked and stamped his head a few times. I pulled his pants down and pulled him by his balls."

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Richardson had a string of 45 previous convictions including assault and battery. He admitted murder and was jailed for life.

Ordering him to serve a minimum of 19 years, Judge Mark Brown said: ''There is no doubt that you attacked him in a brutal vicious and very cruel way.

''I am satisfied he suffered additional degradation when you removed his lower clothing and dragged him along the street. You were seen to be struggling with what was thought to be a roll of carpet which you were pulling along the street. In fact it was Mr Xu."

4 Hours before the attack, killer Richardson posted a message on his Facebook wishing his friends a happy new year Credit: Cavendish Press

He added: ''This was undoubtedly an unprovoked and very cruel attack on an entirely innocent man after you took alcohol and a cocktail of drugs at a party.

"He was simply in the wrong place at the wrong time and he was of no threat or challenge to you. The attack was ferocious and sustained.

"You literally left him dying in the gutter and your only concern afterwards was to evade arrest.

''I don't accept that this was down to the fact that you were drunk and acting in panic.''

Richardson's lawyer John Jones QC said in mitigation: "He accepted responsibility soon after for what he had done and has pleaded guilty to murder of an entirely innocent and respectable man. He wishes to say sorry for what he has done.''

4 Richardson (left) seen on CCTV alongside Luke Jenkinson, who was also jailed for two years and nine months Credit: PA:Press Association

The also court heard Mr Xu's watch went missing after the attack, but it could not be proved Richardson stole it.

Luke Jenkinson, 22, of Ashton-on-Ribble, Preston, who helped wash the killer's clothing admitted assisting an offender and was jailed for two years and nine months.