 Realizing Hart-McHarg needed immediate medical attention, Odlum left the safety of the shell hole and zig-zagged up a hill under heavy fire in order to locate a medical officer.Despite Odlum's bravery, Hart-McHarg's wound proved fatal, and Odlum was subsequently promoted to command of the 7th Battalion, reporting to Brigadier-General Arthur Currie, commander of the 2nd Brigade.Odlum's battalion was almost immediately transferred to the 3rd Brigade under Brigadier-General Richard Turner and moved to the vicinity of St. Julien.