In East Tyrol and Carinthia , Keightley 's army received the surrender of the " Lienz Cossacks " under their leaders Peter Krasnov , Kelech Ghirey , and Andrei Shkuro and the XVth SS Cossack Cavalry Corps under Helmuth von Pannwitz . At the Yalta Conference , the British committed themselves to return Soviet citizens to the Soviet Union . After consultation with Harold Macmillan Keightley proceeded to hand over these prisoners and their families regardless of their nationality , including people with French , German , Yugoslav , or Nansen passports . The prisoners were delivered by deceit and force to SMERSH at Judenburg ; many were executed immediately , the remainder sent to the Gulag
Yalta Conference
Yalta Conference
Charles Keightley