The union representing Ontario's wildland firefighters says they're working long hours that are contributing to "fatigue," and is calling for a funding increase to address a lack of resources.

"Historically Ontario's had about 180 four-person fire crews," said Noah Freedman, a wildfire crew leader in northwestern Ontario and vice-president of Local 703 of the Ontario Public Service Employees Union (OPSEU).

"That's not accounting for all the changes," he said. "Things are getting hotter, seasons a…