A charity is calling for a crackdown on internet sites which promote suicide.
A father of an 18-year-old who killed himself explains how the internet influenced his son.
Paul's son Simon had accessed suicide websites
When Paul Kelly returned from a five-week holiday in the US he was hit by the bombshell that his son, Simon, had killed himself.
"I was devastated. Simon was bright, he had got into university and seemed to have everything going for him.
"It was hard to understand why he did it."
It was only later the truth emerged.
The 18-year-old had been accessing suicide websites.
Paul, 67, from Cornwall, said he did not want to go into what exactly happened, but added: "Records on his computer showed he had been visiting sites explaining techniques on how to kill yourself.
"He had also been into chatrooms where people had been discussing suicide. I am not saying if he had not been on the internet he would not have done it.
"We also found out he had been deeply depressed, but I believe the internet gave him the means to do it.
"I think people who are considering suicide don't necessarily know how to do it. They don't want to feel pain so if there is someone telling them what to do it makes it easier for them.
"That is wrong and something we have to do something about."
Since his son died five years ago, Paul has committed himself into campaigning for better regulation of pro-suicide internet sites.
"It is illegal to groom a child for sex, but not to kill themselves. That seems wrong. What we need is for the government to make it illegal.
"That won't stop it straightaway as it will take an international effort as these sites are produced abroad.
"But at least then international bodies like the UN will come under pressure."