Lithuania is ending its decades-old ban on hosting nuclear weapons and running mass evacuation drills to prepare for a possible Russian attack.
A trade deal between US President Trump and Chinese leader Xi Jinping has calmed financial markets.
The European Union failed to agree new sanctions against Russia after France and Luxembourg blocked the plan; EU sanctions need approval from all 27 member countries.
This week French officials, European spy chiefs and other reports warned that Russia is preparing more direct action against NATO countries.
Ukraine fired a newly revealed, domestically built long-range missile called the FP-7, or 'Pelican,' at Moscow, in what is reported as its biggest strike on the Russian capital so far.
Donald Trump and Xi Jinping have calmed their escalating tariff dispute into a truce ahead of a planned summit between the US and Chinese leaders.
Five stories about China this week form one pattern.
