Russia said on Monday that it shot down 250 Ukrainian drones heading towards Moscow over the weekend, in what officials said was the biggest attempted attack on the Russian capital in at least a year.“Over the past two days, air defense forces have destroyed about 250 enemy UAVs directly on the approach to Moscow and on the second line towards Moscow,” Moscow Mayor Sergei Sobyanin said on Telegram.For all the latest headlines follow our Google News channel online or via the app.The war in Ukraine and now the Iran war have showcased the effectiveness of relatively cheap drones that can attack far-off targets ranging from oil infrastructure to major population centres at a fraction of the cost of a fighter jet.Russia has pummelled Ukraine with artillery and drones while Ukraine has struck deep inside Russia with sabotage groups and drones, killing Russian generals and attacking oil refineries and oil pipelines.Moscow’s main airports imposed flight restrictions amid the weekend attack,