Fifty-nine people have been hospitalized for suspected food poisoning that occurred at a kindergarten in northwest China's Ningxia Hui Autonomous Region, local health officials said Tuesday.

The sickened, including 56 children and three teachers, showed symptoms of food poisoning after eating breakfast at the Jinxiu Kindergarten in the Jinfeng District of Yinchuan, capital of Ningxia, said Ma Rulin, director of the municipal health bureau.

The victims were taken to the regional People's Hospital for treatment. All are in stable condition, with the exception of two children.

Samples of the food that was served for breakfast are being examined.

Local authorities are still investigating the incident.