As the President of the Russian Government, Stalin, of course, had also received the news that the Western Front Army of Russia had been encircled by the German Army. It's worth mentioning that such news actually came from a German broadcast radio station, rather than from the Western Front Army or military reports.
This greatly astonished Stalin, and he immediately called Zhukov to inquire about the situation of Pavlov's Western Front Army.
Where was Pavlov at this time? Pavlov was currently at the position in Białystok, commanding the Russian 10th Army Group in the defense against the German Army's offensive.
When Zhukov asked Pavlov how the Western Front Army was doing, Pavlov gave an answer that showed he was not informed.
As the Commander of the Western Front Army, Pavlov's reply was undoubtedly unsatisfactory and deeply disappointed Zhukov.