More than 30 people were killed, mostly children, when a gunman opened fire in a childcare centre in northeastern Thailand on Thursday.

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According to Police Maj. Gen. Achayon Kraithong, the shooting occurred early in the afternoon in the centre of Nong Bua Lamphu.

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He claimed the assailant killed 30 people before killing himself. He had no further information.

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According to a spokesperson for a regional public affairs office, 26 people have died so far, including 23 children, two teachers, and one police officer.

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According to Thai media, the gunman used knives in the attack before fleeing the building.

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Several media outlets identified the assailant as a former police lieutenant colonel from the region but there was no immediate official confirmation.

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Photographs showed at least two bodies on the floor of the center covered in white sheets. 

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According to the Daily News, the assailant returned home after fleeing the scene of the attack and killed himself, his wife, and their child.

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