Food Cell personnel seized 13 tonnes of rice allegedly diverted from the Public Distribution System at Karadi village in Thirukkoilur block on Saturday.
Police sources said that based on a tip-off that ration rice was being smuggled, the personnel went to the village and found rice bags weighing three tonnes stored in a shed. They also found 10 tonnes of ration rice loaded in a truck parked there. The bags were hidden under coconut husk.
The personnel impounded the truck.