During the warehouse confrontation scene, the bareheaded Russian soldier with the receding hairline had his Kalashnikov assault rifle's safety in the on position, despite the immanence of combat.
At the beginning of this episode a city is called a Sverdlovsk in Ukraine, but Sverdlovsk was a city in USSR, and now it's in Russia under the name of Ekaterinburg. Also, a few seconds further a street sign appears with the street name 'Vadkapu utca' which is a street in Budapest.
--There is also a city in Ukraine called Sverdlovsk.