A St. Louis policeman has been killed and his partner has been seriously injured when their car crashed and burned during a chase. Officer Michael Barwick is dead. His partner, Jenna Christian, is hospitalized. The car they were chasing got away. Other officers say Barwick and Christian’s car was sideswiped by a van at an intersection. The driver of the van was seriously hurt. Two other officers were hurt as they pulled Barwick and Christian from their burning car.