In the biggest Ukrainian onslaught inside Russian territory since Vladimir Putin’s fullscale invasion two years ago, Ukraine has in recent weeks carried out a series of drone attacks on Russian oil refineries and ports. On 2 April, it hit a refinery and drone factory in the industrial region of Tatarstan – more than 1,300km from the border.
The Ukrainian spy agency behind these drone strikes has its eyes on another target: the 20km-long Kerch bridge connecting occupied Crimea with Russia. Senior officials from Ukraine’s HUR military intelligence service indicate it