Tunnel Vision only works well for horses during a race. Firefighters need to keep their heads on a swivel and continuously size up their surroundings at all times. Just because you see fire, that might not be the biggest hazard for you. Keep an eye out for power lines, gas cans, gas leaks, pit falls, the list can go on and on. This close call was a learning lesson for everyone on scene. It was thought to be a telecommunications line that burned away from the building, which it was not. Treat every line as if it was live, even telecommunications lines can be energized.