Preliminary tests have found melamine in Cadbury’s Chinese-made chocolates, the company says.
At least 50,000 Chinese babies have fallen ill and four been killed by milk tainted with the industrial chemical.
Cadbury had earlier recalled 11 chocolate types from mainland China, Hong Kong, Taiwan and Australia because of fears of contamination.
It remains unclear how much melamine was in the recalled products, a Cadbury spokesman told the BBC.
He emphasised that the only goods affected were those made in the company’s Beijing factory, and not those produced in the UK or elsewhere. China’s reputation for food safety has nosedived … – bbc