Shadow fleet undeterred by Baltic enhanced surveillance and naval escorts
- Increased escorts from Nato and Russia, surveillance and insurance checks have not altered flow of Baltic shadow fleet
- Limited diversions around UK as some unflagged ships avoid English Channel
- Fake certificates are not prompting Nato action amid fears of Russian escalation
Shadow fleet tankers loading out of the Baltic and sailing through the English Channel are now among the most forensically monitored ships in the world, but that scrutiny has not affected traffic levels
