In the same week, computer systems at European airlines and Saudi airports were disrupted, and Iran targeted ship-navigation systems on an island belonging to Oman.
Jensen Huang resigned as Nvidia's chief executive after reports of several extramarital affairs, including one with a woman said to be linked to Chinese intelligence.
Russian President Vladimir Putin has publicly turned down the idea of Western peacekeeping troops in Ukraine and repeated his demand that NATO reduce its military forces in Eastern Europe.
This week's news shows countries stepping back from group security pacts and making separate deals instead.
Prime Minister Andy Burnham is meeting European leaders today to argue for closer UK-EU relations, moving beyond the speech that started this row to face-to-face talks.
Chinese leader Xi Jinping said Taiwan's unification with China is inevitable and cannot be stopped.
Two Ukrainian defense companies won NATO supply contracts for the first time, South Korean drone makers say a new government budget of 5.2 billion won (about $3.6 million) is too small to keep them running, and Canada's former defence minister says his government needs to actually deliver weapons instead of just promising them.
