France to investigate Nutella promotion that led to 'riots'

France has strict rules about the size of discounts that retailers can put on products outside of official sales periods.

Last week, shoppers at Intermarché shops jostled to buy heavily discounted chocolate and hazelnut spread.

It had been discounted by 70% - from €4.50 (£3.90) to €1.40.

Police were called when people began fighting and pushing one another.

"They are like animals. A woman had her hair pulled, an elderly lady took a box on her head, another had a bloody hand," one customer told French media.

Nutella maker fights back over claims palm oil in the spread can cause cancer

The hazelnut and chocolate spread was being pulled from shelves after the study.

It said palm oil was more likely to contain carcinogenic agents compared to other vegetable oils.

Ferrero say switching ingredients would result in an inferior spread which wouldn't be as smooth.

The report for the European Food Safety Authority (EFSA) came out last May.

It said palm oil contains particularly high levels of contaminants, when heated about 200 degrees Celcius.

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