The drone sightings coincide with high military and political tensions in the region and sound eerily similar to other drone incursions in the US.

Very tense atmosphere here in Kyiv as everyone prepares for what will likely be an intense week. Former President Poroshenko will likely be arrested tomorrow when he flies home and the new- re-invasion by Moscow is looking more and more likely.

Europe’s relations with Russia are sinking to depths unprecedented in the three decades since the collapse of the Soviet Union. on.wsj.com/3tNboFd

We are amidst the greatest security crisis in Europe since the Cuban Missile crisis in 1962. Of I/Os, the UN and CoE have been utterly irrelevant, a feeble attempt was made with the OSCE, and the EU's main contribution has been to whine about being ignored…

The world is perched on the edge of an abyss. We may soon see the worst combat in Europe since WW2 – killing thousands of people, and raising the likelihood of nuclear war. It didn't have to be this way. A thread. 1/N

What's happening? Russia has built up a potential invasion force on its border with Ukraine. Recent photos and video show the Russian military pre-positioning attack helicopters and troop transports. It looks a lot like final preparations for a cross-border…

NATO's secretary general says that while there's an urgent need for diplomacy to resolve the crisis in eastern Europe, it's up to Russia — not Ukraine — to show flexibility.

Russian officials have hinted that if their security concerns aren’t addressed they could place nuclear weapons in sensitive places — perhaps near the U.S. coastline — potentially igniting a confrontation with echoes of the 1962 Cuban Missile Crisis. nyti.ms/3qxIwP0

Kyiv accuses Moscow of 'continuing to wage a hybrid war' as Microsoft warns hack may prove far more destructive than initially feared

Russia cannot "tolerate" NATO's "gradual invasion" of Ukraine, Putin spokesman says hill.cm/bkVxPV2

Russia will station troops on its own territory near the Ukrainian border due to tensions with the North Atlantic Treaty Organization (NATO), Kremlin spokesperson Dmitry Peskov said Sunday.

Russia said yesterday it had deployed nuclear-capable ballistic missiles to a far eastern Russian region opposite Alaska. State media called the operation a training exercise that demonstrated the …