U.S. hospital says it never agreed to deactivate inmate’s heart device before execution CTV NewsHospital says it never agreed to deactivate inmate’s heart device before execution AP NewsFaith leaders seek to halt Byron Black’s Tennessee execution Yahoo HomeTennessee inmate’s heart device must be turned off before execution to avoid shock risk, judge rules CBS NewsHospital says it never agreed to deactivate inmate’s heart device before execution MSN