The father of a Melbourne teenager who died in Laos due to suspected methanol poisoning is calling for a broader investigation into the incident. Another Australian was among six tourists who died after drinking tainted alcohol.

The U.S., Australia and U.K. have issued warnings for travelers in Vang Vieng after several tourists died in a suspected methanol poisoning outbreak.

Six tourists, including Australians and a British woman, died in Laos, likely from methanol poisoning. The U.S. State Department warns travelers about this risk. The Laos government is investigating the incident and expressed condolences to the victims' families.