In one case, a driver took a fire engine through sniper alley to help people on the other side.
If one has a fire and there are casualties, the ambulance is as essential as the fire engine.
I hope that the fire engine is outside.
If the fire engine or ambulance had been at the front of the queue the marchers would have let it through.
If it is used to clear the road, as in the case of a fire engine, it is quite a different thing.
It issues clear advice that its members should put on their seat belts before the fire engine leaves the station.
The picture the press missed of her rescue by a fire engine would no doubt have graced several local front pages.
Our fire engine, if so it might be called, was a mere toy in comparison with what is used in efficient cities and towns.
