Kremlin insiders say the Russian enclave of Kaliningrad – on the Baltic Sea wedged between Poland and Lithuania – will host the Iskander missile – dubbed the Stone by Nato. Crimea, which was annexed from the Ukraine in 2014, could also host a second Iskander missile base, Russian defence sources claim.

Russia has been accused of blatant acts of aggression in eastern Europe and the Baltics, with land grabs, military exercises and close fly-bys of its fighter jets. The move is in defiance of a US-backed Nato missile shield that was erected in Romania last month, with a second planned for Poland in 2018. READ MORE