Liberian authorities have seized around $317 million worth of cocaine that was ‌bound for Europe, a senior police official said, in one of the West African country's largest recorded drug busts.

Officers found 3,971 kg of cocaine in the town of Duazon, east of the capital Monrovia, on Tuesday, Gregory ​Coleman, inspector general of the Liberian National Police, Reuters reported on Friday.

They arrested two suspects, one ​with passports from both Spain and Colombia, the other with a Serbian ⁠passport, he added.

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Video and pictures released by the force showed a house filled with cardboard ​boxes and suitcases wrapped in cling film and marked "Coco" and "Poseidon".

It was unclear where the drugs came ​from, Coleman said. A chemical analysis needed to be done and markings examined to identify the country of origin, he added.

Drug smugglers often use West African countries as a transit point to smuggle large volumes of cocaine ​from South America to Europe.

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