The father of an Australian teenager who died from suspected methanol poisoning while on a backpacking holiday has issued a plea to the Laos government to fully investigate his daughter’s death and ensure such incidents don’t happen again.

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.

Six travelers have died from suspected methanol poisoning in Vang Vieng, Laos. Most of these incidents occur in Asia, according to Doctors Without Borders.