Generalmajor Demidov suspected that the inhabitants of Vaasa had taken to arms and helped the Swedish forces, even though the provincial governor had confiscated all weapons that spring, and he took revenge by letting his men plunder the city for several days.
Generalmajor Demidov mistænkte indbyggerne i Vaasa for at gribe til våben og hjælpe de svenske tripper, selvom provinsens guvernør havde konfiskeret samtlige våben samme forår.