 By 30 July 1918, the advance parties of the Islamic Army of the Caucasus had reached the heights above Baku, causing Dunsterville to immediately send contingents of his troops to Baku, which arrived on 16 August.On 17 August 1918, Dokuchaev started an offensive at Diga.He planned for 600 Armenians under Colonel Stepanov to attack to the north of Baku.