In February 1179, the Turks laid siege to the town of Claudiopolis in northern Bithynia.[3][4] The Byzantine garrison was prevented from sallying out.[3] The defending forces threatened the emperor with a capitulation unless prompt help arrived, claiming to not have the strength to withstand a siege attack or starvation blockade.[3] Manuel set out for Claudiopolis with an army a day after receiving the message.[3] He proceeded via Nicomedia, with only his horse and armor, unburdened by imperial luxuries.[3] The emperor slept little and rested on the ground, earning him the admiration of his men.[5][4] Upon catching sight of the approaching Byzantine banners and glittering armaments, the surprised Turks turned tail and fled.[4][6] Manuel did not let up, pursuing them back to their lands.[6]