Permanent health secretary Dr Narong Sahamethapat said the explosion occurred about 3.40am while a large number of people were watching the mor lam performance celebrating a new temple building at Wat Ban Talaew in tambon Na Yai of Suwannaphum district.
The explosion killed three civilians and wounded 28 others. Medical teams were dispatched from the provincial head office to provide treatment at the scene.
Ten of the wounded, five men and five women, were admitted to the provincial hospital. Of the ten, two men, aged 32 and 35, were in a serious condition.
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