Russia's second city of St Petersburg and the surrounding region came under a major Ukrainian drone attack overnight on Saturday, with a local port and oil infrastructure hit, Russian and Ukrainian authorities said, as Kyiv's drone strikes continue to deepen fuel shortages in Russia.St Petersburg Governor Alexander Beglov said the city of 6 million had been subjected to a "large-scale" drone attack, with the city's oil terminal struck. He said there were no casualties and that the aftermath of the attack had been dealt with.Alexander Drozdenko…