The United States on Tuesday urged its citizens to leave Ukraine, saying it believed Russia was preparing to target civilian and government infrastructure in the next few days as the war reaches the six-month mark.
The warning followed a ban by the Ukrainian government on celebrations in the capital Kyiv on Wednesday's anniversary of independence from Soviet rule due to fears of attack.
Leaders of dozens of countries and international organizations were due to take part on Tuesday in the so-called Crimea Platform in solidarity with Ukraine on the Russian invasion's six-month anniversary. Most would do so by video.
On the