(BBC News) A Beijing nursery is accused of giving injections and feeding drugs to toddlers, in a case that has sparked outrage in China.
Authorities are now investigating the nursery, which is a branch of the well-known RYB Education chain.
The company says it "deeply apologises" for the matter that has caused "severe disquiet".
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Beijing officials are also conducting a security check in all nurseries in the Chinese capital.