Petty crime, like in any big city, is common, but organized crime, in the form of the Russian Mafia, is unlikely to affect the average tourist.
In an emergency, 02 is the official emergency hotline, but the operator may not speak English. There is a police hotline for foreigners. You may also want to consider contacting your consulate if you have a particularly serious problem.
Hotline • 02 • 578 3014
Ambulance • 03
As in any large city, take all the precautions that you normally would to protect ...