Iranian Navy of the Islamic Revolutionary Guard Corps captures British tanker "Stena Impero" and temporarily seizes British-operated and Liberian-flagged tanker "Mesdar" in the Persian Gulf. British Foreign Secretary Jeremy Hunt says there will be "serious consequences" if Iran does not release the tanker.
Royal Marines seize control of an oil tanker off the coast of Gibraltar that was en route to Baniyas in Syria, suspected of breaching EU sanctions against Syria, carrying Iranian crude oil. The United Kingdom's Ambassador to Iran, Robert Macaire, is summoned in Tehran over the incident, which Iran describes as an "illegal seizure".
The United Kingdom Minister for Security, Ben Wallace, says he has reason to believe British photojournalist John Cantlie is still alive and is being held hostage by surviving Islamic State militants.
Johnston Press, which owns "i", "The Scotsman", the "Yorkshire Post" and other UK newspapers, enters administration after failing to secure a buyer. It is set to be de-listed on the London Stock Exchange on 19 November 2018.
The United Nations Security Council meets amid concerns of military strikes in Syria by the United States and its allies following a suspected chemical weapons attack in Syria last weekend, with the United States ambassador to the UN, Nikki Haley, accusing Russia of lies and covering for the government of Syrian President Bashar al-Assad, which she said had used chemical weapons at least 50 times in the past seven years of warfare, and the Russian ambassador to the UN, Vassily Nebenzia, blaming the United States, France and the UK for escalating tensions.