A flash flood last week smashed a hilltribe shelter in Mae Hong Son, killing seven occupants and injuring a few others.

The area had suffered days of heavy rain triggered by the lingering influence of tropical storm Nock-Ten.

Scores of hilltribe people, mainly Karenni, were seeking refuge at the shelter after fleeing armed fighting in Burma. Altogether 346 households have been affected. One person of unknown nationality was reported missing.

Read more: The Nation