The sister of a US teenager who committed suicide live on the internet said “it boggles the mind” that viewers and the website operators had up to 12 hours to save him.

A 19-year-old in the United States committed suicide by taking a drug overdose live on the internet, a medical investigator said today.

A judge ordered another DNA sample be taken from Anna Nicole Smith’s body as he heard fiery arguments in the fight over the former Playboy Playmate’s remains and custody of her infant daughter.

The mother of former Playboy playmate and model Anna Nicole Smith blamed drugs today for her daughter’s sudden death that ended an extraordinary tabloid life at just 39.