sentences:  Around 400 former Yugoslav Army officers returned to Montenegro, along with many non-commissioned officers, civil administrators and communists.During the invasion, the Yugoslav Zeta Division, composed mostly of Montenegrins, had briefly counter-attacked into Albania, but had largely returned home with their weapons and equipment following the Yugoslav surrender.In early July 1941, a senior Montenegrin member of the Politburo of the Central Committee of the KPJ, Milovan Đilas, arrived in Montenegro from Belgrade to start the communist struggle against the occupying forces.