An American citizen has died at a popular adventure spot in Laos where alcohol tainted with methanol has been blamed for a spate of poisonings in recent days.

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.

A little town known as a backpacker paradise in northern Laos has come under spotlight for a mass poisoning case that has killed at least six tourists and potentially injured scores of others.