How the Ukrainian armed forces did it is still not clear. But the impact of the explosions is huge, especially on the Russian side, because this was clearly not foreseen. Russian generals will have to rethink the security of their supply lines and the protection of all their military facilities in Crimea, thinks Frans Osinga, professor by special appointment of war studies at Leiden University.
Explosions in Crimea rumble, but how Ukrainians did it remains unclear | Abroad
