Moscow accuses Beijing of espionage, postpones S-400 delivery July 29, 2020 at 08:00PM

Beijing's ties with Moscow appears to have hit a roadblock with the latter announcing a postponement of delivery of S-400 surface-to-air missile systems to Beijing. China has tried to play down the development. Recently, Russia has accused one of its leading Arctic researchers of treason, alleging that he gave sensitive information to China.