FILE IMAGES: British warship HMS Montrose File images of British warship HMS Montrose docked in the Cypriot port of Limassol. The British government said that HMS Montrose was forced to position herself between Iranian vessels and a British oil tanker after three Iranian ships attempted to "impede the passage" of the commercial vehicle, British Heritage, in Gulf waters, and issue verbal warnings to the Iranian vessels, which then turned away. FILE PHOTOS