It doesn't sound like things are going to deescalate any time soon:
But it does have all the hallmarks of a potentially incendiary situation:
And here's what appears to be a video of the aforementioned smoke bombs:
Things seem to be heating up in the Ukrainian capital:
Hmm...
More confusion in the ranks?
Ukraine's National Security and Defense Council Secretary Oleksandr Turchynov has announced that the council will convene at midnight local time to discuss the introduction of martial law.
He asks a good question (Perhaps it's meant to muddy the waters, raise the level of confusion and fear even further? Or maybe they're just confused...)
And yet more background: