Over Imljani and Petrovo Polje attacked the Chetniks from Manjača (the Chetnik detachments "Kočić", "King Petar II Karađorđević") and detachment "Obilić" of Lazo Tešanović. Over Petrovo Polje, according to Lisina, performed famous Chetnik Rade Radić and combined power Chetnik's Battalion "Karadjordje" and "Tankosić", under the command of Mihajlo Đurić . The entire campaign was commanded Chetnik "commander of the operation", Major Slavoljub Vranješević .