Russia has been using so-called "ghost ships" to skirt the West's oil price cap. Russia sends millions of barrels of crude oil through a choke point at the Danish straits, per the outlet. AdvertisementRussian oil tankers could face a crackdown at a key choke point, according to the Financial Times. But Denmark could struggle to stop the ghost ships because of constraints on its own navy, according to maritime experts. Blocking commercial traffic in the Danish straits would come close to a declaration of war," Hans Peter Michaelsen, an independent defense analyst, told Reuters.

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Persons: —, Hans Peter Michaelsen Organizations: EU, Financial Times, Service, European Union, KSE, Bloomberg, FT, UN, Reuters Locations: Russia, Denmark, Moscow, Saint Petersburg, EU, Danish