A court on Tuesday sentenced a former senior officer in the National Guard to six years in a prison colony after convicting him of buying equipment unable to protect the bridge which links southern Russia to Crimea, the TASS state news agency reported. TASS said that Colonel Sergei Volkov had purchased two radar-based air defence systems for 395 million roubles ($4.5 million) which were meant to be able to bring down Ukrainian attack drones by suppressing their signal. A military court in Moscow had determined that the equipment - which was also meant to protect a gas pipeline running from...