Bulvičius' group was tracked down by detecting their radio sessions. The radio was confiscated on 6 June. Bulvičius was arrested by the NKVD on 9 June. In total, the NKVD arrested a total of 16 people connected with "Bulvičius group". After almost the entire leadership of Vilnius LAF was arrested, the Kaunas LAF took the leading role in the planned uprising. During the June deportation which took place a week after Bulvičius' arrest, 236 Lithuanian officers were arrested. On 22 June, Germany invaded the Soviet Union. The arrests made the June Uprising against the retreating Red Army weaker in Vilnius. Nevertheless, Lithuanian rebels engaged in shootouts with the retreating Red Army and the Germans were able to enter the city without resistance on 24 June.