چهار سرباز کانادایی بر اثر آتش سوزی در یک کیلومتر در 36 ثانیه کشته شدند.

Four Canadian soldiers killed after grass fire spread 'a kilometre in 36 seconds'

The four Canadian soldiers who died during a training exercise at the weekend did so when a grass fire spread "a kilometre in 36 seconds", officials said.