 Complete the following phrase:  On 17 September 1912, the Bulgarian Tsar Ferdid declared the general mobilization of the army. The order was relayed to Kiselov and accepted with great joy by him and his soldiers. Within six days the regiment was fully mobilized and could field 70 officers, 4 clerks and 4716 soldiers in four battalions and armed with 4,476 rifles or carbines, 4 heavy machine guns and 29 sabers. On 4 October, the 8th regiment marched out of Varna towards the assembly area of the 4th Preslav Infantry Division, to which it belonged. The 4th Division was assigned to the Bulgarian Third army under General Radko Dimitriev which was tasked with the attack on the fortress of Kirk Kilisse. Colonel Kiselovs regiment was part of the divisions vanguard when it advanced into Ottoman territory and was soon engaged in heavy fighting around the village of Seliolu. The Bulgarians managed to defeat the Ottomans in the 