A teacher in Jiaozuo in the Henan province, central China, allegedly poisoned 23 children in a kindergarten level by mixing and tampering with their morning porridge.

It has been alleged that the teacher decided to posion the 23 children with an intent of gaining revenge from on a colleague following a dispute.

According to the local reports, the pupils from the school(kindergarten) were taken to hospital after they began showing signs and symptoms of vomiting and fainting on Wednesday morning.

From another credibel source, One parent claimed he rushed to hospital where doctors had already pumped his child's stomach. A child has been left with 'severe' symptoms while seven others remain in hospital for observation, reports say.

Photographs appear to show children lying in hospital beds hooked up to drips.

The teacher has been arrested and taken into custody following the incident, the South China Morning Post reports.

"When I arrived at the school, my daughter had already passed out," one dad said, according to the Daily Mail.

"Besides my kid, there are three or four other children all looking sick and very pale.

"My child said the porridge tasted bitter and salty when it was supposed to taste sweet."