Dozens of Ukrainian combat drones attacked targets in several parts of Russia overnight, Russian authorities said on Tuesday, including an oil refinery some 800 kilometres from Ukraine. Twenty-six drones were intercepted above seven different districts. including in the St Petersburg region, the Defence Ministry in Moscow said. According to the media, the most distant target was a refinery belonging to the Russian oil company Lukoil in Kstovo near the city of Nizhny Novgorod east of Moscow, where a drone caused a fire. The city on the Volga is located some 800 kilometres from Ukraine. A railwa…