A man charged with fatally stabbing an employee at a Kwik Trip store in Mankato early Tuesday allegedly told investigators that he was hearing voices telling him to set the building on fire.

A 28-year-old Mankato man is accused of stabbing a worker 43 times at a Mankato Kwik Trip on Tuesday, according to charges filed in Blue Earth County Court.

Dennis Vosika, 34, of Mankato, was found lying unresponsive on the floor when police officers, responding to a disturbance at the store, arrived at the Kwik Trip shortly after 3 a.m. Vosika died of multiple stab wounds at the Mankato hospital, authorities said.