It has been one of the deadliest years in recent memory for firefighters battling blazes in Canada. Here is what we know about the four firefighters killed while on duty in Canada in July. Devyn Gale, 19 – Gale died July 13 while fighting a wildfire near Revelstoke, B.C. Police say the young firefighter was clearing brush in a remote area near a wildfire when her team found her pinned under a fallen tree. …Adam Yeadon, 25 – Yeadon died July 15 while fighting a wildfire near his home in Fort Liard, N.W.T., a hamlet north of the British Columbia border. Family have indicated Yeadon was injured by a tree. …Ryan Gould, 41 – Gould died when the helicopter he was piloting alone crashed near Haig Lake, 140 kilometres northeast of Peace River, Alta., on July 19. …Zak Muise, 25 – The young firefighter originally from Waterford, Ont., died on July 28 in northeastern B.C. when his heavy-duty ATV rolled over a steep drop on a gravel road 150 kilometres north of Fort St. John.