A Woolwich barman became Britain's first victim of the NekNominate drinking game when he died after downing a pint of spirits and wine, an inquest heard.

Isaac Richardson, 20, was working at the Hostel Ordnance in Woolwich when he made his own NekNominate video - an online craze where people drink alcohol in extreme ways and upload footage of their boozing to the web. 

Onlookers said he was dared to drink something "messed up" at the hostel in an effort to outdo other players. 

Mr Richardson, who had been drinking before his challenge at the O'Conners pub below the hostel, filled a one-and-a-half litre pitcher with a bottle of white wine, a bottle of vodka, a quarter of whisky and a can of larger, it is said.   

Witnesses said he started vomiting immediately afterwards and collapsed within two minutes. 

Pal Robert Howard gave Mr Richardson CPR and he was taken to Queen Elizabeth Hospital but was pronounced dead at 12.49am on February 9. 

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Mum Melissa Richardson told Southwark Coroner's Court that her son had started drinking heavily while at sixth form college and had started missing classes. 

He was sent to high school in the US where his father lived to try and get him to stay in education.

On his return to the UK, Mr Richardson had taken a number of different jobs, but was still regularly binge drinking. 

She added: "I did get fed up with him but we never fell out – he was very affectionate he was very friendly, he was definitely all about the fun of the moment rather than the realities of tomorrow.

"That made him really fun to be with but not the best long term planner, he drank more than I was happy with, more than I was comfortable with."

She added: "I don't blame his friend who nominated him or the friends who were with him that evening, I know that they did try to help him.

"We feel very strongly that it is no one's fault and he would not have wanted anyone to be singled out."

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Daniel Lee, 30, who was present on the night of Mr Richardson's death, said at the time: "He told me other people were putting Listerine and toothpaste into their drinks but he said he just wanted to drink loads of alcohol and down it.'"  

The pair had a drink together before Mr Richardson went back upstairs to fulfil his challenge with some friends.

He said: "A little later I went upstairs to the hostel and I saw Isaac on the ground. The paramedics were trying to revive him but he was dead. He wasn't moving, I knew he was dead."

Recording a verdict of accidental death, Coroner Andrew Harris said: "Isaac died as a result of acute alcohol intoxication, he had no intention to end his life, he's accepted this challenge and we've heard from others that he was in a happy state of mind."

Mrs Richardson wept as the verdict was read out, and said: "My son would not have wanted me to use him as an example, he very strongly believed in his own ability to make his own choices and to live by those choices."