The drug had been concealed in packets and placed in bags at the bottom of the lorry, which had arrived from a neighbouring country that authorities failed to name.

They said the consignment was valued at 90bn CFA francs ($146m; £117m).

Large drug hauls have become more common in Senegal.

Last November, the navy seized three tonnes of cocaine from a ship off the country's coast, marking one of the navy's largest drug hauls.

The region is a transit point for Latin American cartels trafficking drugs to Europe and elsewhere.