Hms Dauntless

As well as the drug raids, sailors from the warship helped clear plastic waste from a turtle nesting site on the Caribbean island of Curacao.

The seizure comes after the Type 45 destroyer intercepted drugs with a street value of £140 million during the summer.

Portsmouth-based HMS Dauntless, the Royal Navy's most powerful warship, is going to the Falklands, causing a diplomatic row with Argentina.