Russian Foreign Minister Sergey Lavrov has questioned the framing of NATO as a “defensive” alliance, complaining that the bloc’s “line of defense” continues to move east towards Russia, as fears mount that the Kremlin is planning an invasion of Ukraine.Russian Foreign Minister Sergey Lavrov has questioned the framing of NATO as a “defensive” alliance, complaining that the bloc’s “line of defense” continues to move east towards Russia, as fears mount that the Kremlin is planning an invasion of Ukraine.