Danone shares tumbled on Monday after the French food and beverage company said on Friday it was recalling a limited number of infant-formula batches from several markets after food-safety authorities flagged a potential contamination issue.

The stock fell 5.8% in Paris by 09:16 GMT. 

The move follows action in Singapore earlier in the week, where regulators halted sales of a Danone-manufactured baby-formula brand over possible bacterial risks.

Irish authorities said the recall covers formula produced in Ireland and shipped across parts of the European Union, the U.K., and some non-EU markets. The Irish Food Safety Authority linked the action to a specific toxin.

“An ingredient, ARA oil, which was manufactured in China, was contaminated with cereulide and added as an ingredient in base powder used to make infant formula and follow-on formula,” it said. 

Danone stressed that internal checks showed no safety breach. The company said routine testing confirmed products were safe and “fully compliant will all applicable safety regulations.”

Still, the French group said some local food-safety regulators are continuing to update their guidance. “In that context, as a responsible manufacturer and to comply with the latest guidance, Danone will withdraw from targeted markets a very limited number of specific batches of infant formula products,” it said.

The recall is tied to the same contaminated raw ingredient previously implicated in withdrawals by Nestlé, with other producers such as Lactalis and Hochdorf also affected. In the U.K., a batch of Aptamil First Infant Formula has been pulled, while Danone has already recalled Dumex products in Singapore.

“While there has been no direct link established between the consumption of cereulide-tainted formula and infant sickness, there has been widespread publicity around the recalls, which we expect to weigh on impacted brands,” Kepler Cheuvreux analyst Jon Cox said in a note.

“We expect Danone’s stock to come under pressure,” he added, noting that infant formula represents around a third of Danone’s operating profit.

Danone said its products destined for China — the company’s largest and most profitable infant-formula market — were not impacted.