I'm a bit fearful of corrupt police in Ukraine, and I already read one of the great answers regarding how to avoid getting harassed by corrupt police.
However, the problem is that my SIM card in Ukraine is data-only so I could not call to embassy when I get caught.
Some tips say I should negotiate the amount of bribe, but honestly I don't like to pay at all.
Specifically, what I would like to know:
In order to avoid being ripped off, I consider carrying no cash. But if I don't have any cash, what are they going to do?
Do these police usually wear uniform or not? And do they approach me alone or as a group?
Ultimately, if the sole aim is never hand in any amount of money to police, what should I do when I get stopped by police?
I consider the location is either Kyiv or Lviv, though I'm glad to hear about other cities as well.