Graham Hoffman, 29, was taking a patient to the hospital following a routine medical call from police when he was stabbed in the chest, piercing his heart.

A Kansas City, Missouri, firefighter has died after a patient he was taking to a hospital in an ambulance stabbed him. The incident happened at about 1 a.m. Sunday when crews were dispatched to a “routine medical call," after a woman was seen walking along the westbound lanes of 152 Highway.