(CNN) Close to two-thirds of France's fixed speed cameras have been vandalized by yellow-vest protesters since November, as demonstrators revolt against lowered speed limits introduced by the government last year.

A spokesman for the French Ministry of the Interior told CNN that 60% of fixed speed cameras have been damaged by gilets jaunes demonstrators since November 17, when the protests erupted.

"I saw on social networks a few fools who appear next to burnt speed cameras. I do not wish for them to one day face the reality of a death on the road. It's not about figures, it's about life," Interior Minister Christophe Castaner told reporters Thursday.

Emmanuel Barbe, the head of France's road safety agency, also warned that vandalism of the country's speed cameras will likely lead to more deaths. "This damage to the speed camera network... will lead to deaths. And that makes me profoundly sad," he told France Inter.

Many protesters are angry at the French government's decision in 2018 to reduce the speed limit on two-lane highways to 80 km/h.

According to the French site radars-auto.com , the proportion of cameras damaged by protesters could be as high as 65%.

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