(CNN) UK police have seized 190 kilograms (419 pounds) of cocaine with an estimated street value of £19 million ($23.5 million) at the port of Dover.

Three people were arrested following seizures from two separate trucks at the channel port, according to a press release from the National Crime Agency (NCA).

Officers found 140 kilograms (309 pounds) of cocaine in a truck carrying a shipment of paper and card from the Netherlands, and 50 kilograms (110 pounds) in a second truck carrying toy building blocks. The two seizures on Monday are not thought to be connected, according to the NCA.

Gerrit Van Eckeveld, 62, from Nieuwegein in the Netherlands, was arrested by Border Force officers in relation to the larger haul. The cocaine was found in a void in the floor of the truck, police said.

He was later charged with importing cocaine and appeared at Medway Magistrates' Court Wednesday. Van Eckeveld was remanded in custody and will appear at Canterbury Crown Court on May 20.

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