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.

Simone White was enjoying a holiday with friends in Laos last week when she accepted a free shot from a bar. The 28-year-old British lawyer is one of six people to have died in a suspected mass methanol poisoning in the backpacking town of Vang Vieng.

Simone White, 28, from Orpington, Kent, was one of a number of people taken to hospital after the incident in the popular backpacking town of Vang Vieng last week