South Korean sale of K-30 Biho anti-aircraft systems to India threatened

South Korea should sign contract with India for a 3 trillion won (around $2.66 billion) sale of K-30 Biho anti-aircraft systems but this operation might be compromised by a "foreign interference", according to The Korean JoongAng Daily.
K-30 Biho anti-aircraft system at DX Korea 2018 (Picture source: Army Recognition)