The French Navy was assisted by the UK to board a sanctioned Russian oil tanker, named the Grinch,  LONDON: Britain provided tracking and monitoring support for a French operation to board a sanctioned Russian oil tanker in a bid to choke off the funds that fuel Russia's invasion of Uk raine , UK defence minister John Healey said on Thursday (Jan 22). Healey said this support included a vessel, HMS Dagger, monitoring the tanker as it passed through the Straits of Gibraltar. The tanker , named