Mark Jones says the government of Laos cannot let his daughter's death be in vain, after the 19-year-old girl fell ill and died from methanol poisoning.

The family of a young Australian girl who died in hospital after falling critically ill from a mass methanol poisoning in Laos has urged the local government to prevent other lives from being lost. Bianca Jones died in a Thailand hospital on Thursday, and her friend Holly Bowles’ family confirmed her death the next day.

The Laotian government has promised to bring perpetrators to justice after a mass poisoning that has killed six tourists including two Australians.

Thai police have confirmed the death of Melbourne teenager Bianca Jones, who became ill after drinking tainted alcohol during a backpacking holiday in Laos.

The father of Bianca Jones has issued a plea to the Laos government after she died from suspected methanol poisoning following a night out.

The owner of a backpacker hostel where two young Australians were staying before they fell violently ill and died from suspected methanol poisoning has been detained by police for questioning in Laos.

An Australian teenager has become the sixth foreign tourist to die in a suspected mass methanol poisoning in Laos, as a growing list of countries warned of the potentially fatal consequences of drinking tainted alcohol in the Southeast Asian country.

Melbourne teenager Holly Bowles has passed away in Thailand a day after her friend Bianca Jones died, following a suspected mass methanol poisoning incident in Laos.