Russia has been accused of interfering in the affairs of the Czech Republic after its embassy tried to block changes to the inscription on a Soviet-era statue explaining the chequered role of Russian Marshal Ivan Konev, who was twice designated a Hero of the Soviet Union by Stalin and whose remains are buried in the Kremlin. Now the dispute is set to come to a head at a historically sensitive moment, the 50th anniversary of the 1968 invasion of then-communist Czechoslovakia by Soviet-led forces to crush the liberal Prague Spring. Critics said the original plaque exaggerated the marshalÂ’s role while...