London’s decision expands enforcement from monitoring to physical interdiction, allowing Royal Navy units and maritime police to stop, inspect, and potentially detain vessels tied to Russia’s shadow fleet. These ships, often operating under opaque ownership and flags of convenience, have been used to bypass price caps and sanctions on Russian crude exports. The policy introduces operational risk for illicit oil transport through key maritime routes near the UK, including the English Channel and North Sea approaches. Officials indicate enforcement could begin immediately, backed by intelligence tracking and allied coordination. Read more.