BANGKOK — The Lao government is “profoundly saddened” by the deaths of foreign tourists from drinking alcohol contaminated with methanol and pledged to prosecute those responsible.

Two Danes, two Australians, a Briton and an American have died after visiting Vang Vieng, an idyllic town that is popular with foreign backpackers, and drinking contaminated alcohol.

The government has been “conducting investigations to find causes of the incident and to bring the perpetrators to justice…