It is believed a Russian Frigate fired at a passing yacht in British waters in the English Channel on Tuesday, prompting the Ministry of Defence to launch an investigation. The UK Ministry of Defence confirmed they are investigating an incident in the English Channel after a British-flagged yacht reported the Russian frigate Admiral Grigorovich had fired warning shots at it on Tuesday morning. The incident, if proven, would be the most direct confrontation by a foreign warship off the coast of Britain in many years. Royal Navy patrol boat HMS Mersey (foreground) escorts Russian frigate Admiral Grigorovich and attending Russian...