How did the West manage the Russians at Pristina Airport?

In the early hours of June 12th, Russian forces enter Kosovo on the day KFOR's peacekeeping mission was also preparing to enter the country, where the war had just ended. Very soon the Russians are deployed at Pristina airport. NATO watches nervously. But how he avoided the confrontation between two rival states [...]
Very soon the Russians are deployed at Pristina airport. NATO watches nervously.
But how did the confrontation between two rival states and the possible division of Kosovo avoid the West?
For more more view the video below shown by Radio Free Europe (REL):












