A nuclear submarine is being monitored after posing a risk of explosion near GibraltarInternational naval forces have scrambled in response to a 'serious accident' involving a Russian nuclear submarine that was forced to surface near UK territory over the weekend. More details have emerged regarding the incident in the Strait of Gibraltar, where the 74-metre missile-laden Novorossiysk became an "explosive hazard" after suffering a serious leak in its fuel system. Russian Telegram channels reported a disastrous situation on board as the stealth sub's hull filled with diesel. A sailor on the submarine told Russian military bloggers: "Novorossiysk, currently on combat duty in the Mediterranean Sea, is experiencing serious technical problems. Due to damage in the fuel system, fuel is leaking directly into the hold."