KYIV, Sept 4 (Reuters) - Heavy ⁠black ⁠smoke rose in ⁠Kyiv city centre following a ​Russian drone attack on Friday, which the ‌mayor said hit ‌a non-residential building. Numerous ambulances and ⁠emergency ⁠services were heading to the scene in the ​historic part of the city close to the Saint Sophia Cathedral, a UNESCO ​World Heritage site.

Russia Russian oil companies failed to fulfil about 60% of gasoline supply contracts on the St Petersburg exchange between May and September, industry sources told Kommersant on September 3 as a result of Ukraine’s sustained attacks on Russia’s oil refineries.

UKRAINIAN drones have pummelled oil facilities across Vladimir Putin’s beloved resort city, bringing his war directly to his doorstep. Flames raged at Rosneft’s Adler, while the nearby

Russia is pounding Ukraine with jet-propelled drones, forcing Kyiv to adapt once again in an arms race that is increasingly defining the war.

These Russian drones are more destructive, faster and harder to shoot down than the propeller-driven models Russia has used throughout the war.

What happens if the airspace of the world’s largest country by land mass is out of bounds because of Ukrainian drones?

Pressure is mounting on airlines to re-evaluate the safety of flying to Russian airports as the drone war escalates.

Ukrainian President Volodymyr Zelenskyy said on Thursday that the first airlines had begun suspending flights to Russian airports.