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France has blamed Iran for a cyberattack on supermarket freezers and
. The attacks happened last month. They hit around 700 stores. Hackers took
of the cooling systems in the fridges and
. Temperatures went up to more than 50
Celsius. Huge amounts of
food melted. Stores had to throw it away because it was not
to eat. France said the attack was on a
never seen before. France believes an Iranian cyber
carried out the attack. Iran said it didn't do the
. It blamed the French
for them.